{"title":"RadioMaster ERS Series Sensor","description":null,"products":[{"product_id":"ers-gps-precision-gps-sensor-for-compatible-expresslrs-pwm-receivers","title":"ERS-GPS – Precision GPS Sensor for compatible ExpressLRS PWM receivers","description":"\u003cp\u003eThe ERS-GPS Telemetry Sensor is a specialized GPS unit designed by Radiomaster for use with compatible . This plug-and-play sensor integrates with the receiver via the CRSF interface.\u003c\/p\u003e\u003cp\u003eEquipped with two modes— Mode one to provide accurate GPS data and Mode two to provide accurate ground speed. Mode one is ideal capturing position and altitude logs when used with our  with built-in barometers. Mode two is ideal for measuring speed. Additionally, the ERS-GPS features a pass-through function that allows for easy future expansion of telemetry sensors through a daisy-chain arrangement.\u003c\/p\u003e\u003cp style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-GPS – Precision GPS Sensor for compatible ExpressLRS PWM receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/8324\/7079\/files\/1_82db6e49-4d48-41fb-97ec-ff4962a54884_1024x1024.png?v=1742263702\"\u003e\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGPS Data mode and GPS Ground speed mode:\u003c\/strong\u003e Log your GPS position or track your speed in real-time and quickly access peak performance stats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuture-Ready Pass-Through:\u003c\/strong\u003e The ERS GPS comes equipped with an in-and-out pass-through port, allowing you to daisy-chain additional sensors in the future—no need to swap out hardware as your needs evolve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless ExpressLRS Integration:\u003c\/strong\u003e Designed to work effortlessly with compatible ER series ExpressLRS receivers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecification\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eItem: ERS-GPS\u003c\/li\u003e\n\u003cli\u003eSize: 32.8 x 25.5 x 12.8mm\u003c\/li\u003e\n\u003cli\u003eWeight: 13.35g\u003c\/li\u003e\n\u003cli\u003ePower Supply: DC 3.0 - 12.0V\u003c\/li\u003e\n\u003cli\u003eCurrent: 35mA (5V)\u003c\/li\u003e\n\u003cli\u003eTelemetry Protocol: CRSF\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-GPS – Precision GPS Sensor for compatible ExpressLRS PWM receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/8324\/7079\/files\/2_b8d30b02-d232-430a-bc36-119f05efa70e.png?v=1742263702\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-GPS – Precision GPS Sensor for compatible ExpressLRS PWM receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/8324\/7079\/files\/3_4b353ce7-d0f4-4a91-ab87-77f24ac20c57.png?v=1742263701\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-GPS – Precision GPS Sensor for compatible ExpressLRS PWM receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/8324\/7079\/files\/4_597faff4-2cf0-40c0-96ed-52fb9b3b395a.png?v=1742263701\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/5.gif?v=1778141786\" alt=\"ERS-GPS – Precision GPS Sensor for compatible ExpressLRS PWM receivers\" style=\"float: none;\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-GPS – Precision GPS Sensor for compatible ExpressLRS PWM receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/8324\/7079\/files\/9.gif?v=1742265937\"\u003e\u003c\/p\u003e\u003ch2\u003eDownload\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003c\/ul\u003e\u003ch2\u003eSize\u003c\/h2\u003e\u003cp style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-GPS – Precision GPS Sensor for compatible ExpressLRS PWM receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/8324\/7079\/files\/6_541a7e96-9c66-4e70-b12b-7a5b8532c6a6_600x600.jpg?v=1742282784\"\u003e\u003c\/p\u003e\u003ch2 style=\"text-align: left;\"\u003eWeight\u003c\/h2\u003e\u003cp style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-GPS – Precision GPS Sensor for compatible ExpressLRS PWM receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/8324\/7079\/files\/7_cfe2f7f1-95dc-4d84-ad6b-df3492724431_600x600.jpg?v=1742283064\"\u003e\u003c\/p\u003e\u003ch2\u003eCompatible Receivers\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1 * RadioMaster ERS-GPS\u003c\/li\u003e\n\u003cli\u003e1 * CRSF Wire \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-GPS – Precision GPS Sensor for compatible ExpressLRS PWM receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/8324\/7079\/files\/8.gif?v=1742283146\"\u003e\u003c\/p\u003e","brand":"mysite","offers":[{"title":"Default Title","offer_id":47437068337323,"sku":"HP0157.ERS-GPS","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/9191\/0315\/files\/01_00595cc7-0ed3-40a5-a769-e459808efbf1.png?v=1784538092"},{"product_id":"ers-cv01-precision-cell-voltage-sensor-for-compatible-expresslrs-pwm-receivers","title":"ERS-CV01 - Precision Cell Voltage Sensor for compatible ExpressLRS PWM Receivers","description":"\u003cp\u003eThe ERS-CV01 Cell Voltage Sensor is a compact, plug-and-play telemetry module for use with compatible ExpressLRS receivers. Just connect the sensor to your battery’s balance port, and it will monitor the real-time voltage of each cell, transmit the data via the ExpressLRS receiver, and display it directly on your EdgeTX radio. \u003c\/p\u003e\u003cp\u003eAs part of the ERS sensor family, the ERS-CV01 also supports pass-through expansion, allowing easy daisy-chaining with additional telemetry modules.\u003c\/p\u003e\u003cp style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/1_39e8d82c-d50f-481f-b88d-b08dae202814.jpg?v=1769570472\" alt=\"ERS-CV01 - Precision Cell Voltage Sensor for compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\u003c\/p\u003e\u003ch2\u003eLaunch Video\u003c\/h2\u003e\u003cp\u003e\u003ciframe title=\"\" src=\"https:\/\/www.youtube.com\/embed\/ICXLDRpYn9I\" height=\"759\" width=\"1349\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\u003carticle data-identifier-application__slash__x-doc-key=\"5VLqXLbR7jmjYqX1\" data-identifier-application__slash__x-cangjie-fragment=\"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\" data-clipboard-cangjie='[\"root\",{},[\"p\",{\"uuid\":\"miod46jg3ja9apoz2b\"},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"bold\":true,\"color\":\"\",\"data-type\":\"leaf\"},\"Features\"]]]]' class=\"4ever-article\"\u003e\u003ch2\u003e\u003cspan data-type=\"text\"\u003eFeatures\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-type=\"text\"\u003e\u003cstrong\u003eReal-Time Per-Cell Voltage Monitoring\u003c\/strong\u003e: Instantly view individual cell voltages through your radio for improved battery safety and performance. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-type=\"text\"\u003e\u003cstrong\u003ePlug-and-Play Balance Port Connection:\u003c\/strong\u003e Easily connects to the battery’s balance port for accurate cell-level voltage readings. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-type=\"text\"\u003e\u003cstrong\u003eFuture-Ready Pass-Through:\u003c\/strong\u003e Includes an in-and-out port to daisy-chain additional ERS telemetry sensors as your setup grows. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-type=\"text\"\u003e\u003cstrong\u003eSeamless ExpressLRS Integration:\u003c\/strong\u003e Designed to work effortlessly with compatible ER series ExpressLRS PWM receiver. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-type=\"text\"\u003ePlug and Play Compatible Receivers:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan data-type=\"text\"\u003eUsing Sensors with Non-Plug-and-Play PWM ExpressLRS Receivers:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-type=\"text\"\u003eMost PWM ExpressLRS receivers are fully compatible; those without a dedicated UART port require reconfiguration to support external sensors (e.g., for telemetry). To enable this, reassign two PWM output pins as a serial UART—one for TX and one for RX—via the receiver's Web UI (accessed by putting the receiver into WiFi mode) or via the ExpressLRS LUA script. This enables sensor connectivity while preserving the remaining PWM channels for servos or ESCs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-type=\"text\"\u003eFor receivers that only provide standard servo pins, an optional adapter cable is available that converts the sensor’s UART connector to two standard servo plugs (TX and RX). Available here: \u003c\/span\u003e\u003c\/p\u003e\u003c\/article\u003e\u003ch3 data-identifier-application__slash__x-doc-key=\"5VLqXLbR7jmjYqX1\" data-identifier-application__slash__x-cangjie-fragment=\"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\" data-clipboard-cangjie='[\"root\",{},[\"p\",{\"uuid\":\"miod46jg3ja9apoz2b\"},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"bold\":true,\"color\":\"\",\"data-type\":\"leaf\"},\"Features\"]]]]' class=\"4ever-article\"\u003eCell Voltage Display, Configuration \u0026amp; Logging\u003c\/h3\u003e\u003carticle data-identifier-application__slash__x-doc-key=\"5VLqXLbR7jmjYqX1\" data-identifier-application__slash__x-cangjie-fragment=\"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\" data-clipboard-cangjie='[\"root\",{},[\"p\",{\"uuid\":\"miod46jg3ja9apoz2b\"},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"bold\":true,\"color\":\"\",\"data-type\":\"leaf\"},\"Features\"]]]]' class=\"4ever-article\"\u003e\u003cp\u003eThe ERS-CV01 Cell Voltage Sensor requires both the CellsValues LUA and the RadioMaster Sensor Configurator LUA to function correctly. Together, these LUAs enable per-cell voltage display, sensor configuration, and telemetry logging for post-flight review on EdgeTX radios.\u003c\/p\u003e\n\u003cp\u003eAfter downloading, connect your radio to a Mac or PC in \u003cstrong\u003eUSB-SD mode\u003c\/strong\u003e and copy the files as follows:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCellsValues LUA → \/WIDGETS\/\u003c\/li\u003e\n\u003cli\u003eRadioMaster Sensor Configurator LUA → \/SCRIPTS\/TOOLS\/\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-type=\"text\"\u003e👉\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-type=\"text\"\u003e👉\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/Cell_values_widget_CV01.jpg?v=1769742102\" alt=\"\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/Cell_values_widget_CV01_add_widget.jpg?v=1769742103\" alt=\"\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-type=\"text\"\u003e*adding telemetry to EdgeTx screen.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/Cell_values_widget_CV01_Telemetry_shown.jpg?v=1769742102\" alt=\"\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/2_4130dd95-325c-4163-b3e3-b9ca0d72dd49.jpg?v=1769570472\" alt=\"ERS-CV01 - Precision Cell Voltage Sensor for compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/3_87bff41c-1958-400e-a9f3-2f4fdd15d4f3.jpg?v=1769570473\" alt=\"ERS-CV01 - Precision Cell Voltage Sensor for compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-CV01 - Precision Cell Voltage Sensor for compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/4_ae12ac73-3a91-4728-bd91-e9b4c5fc43a5.jpg?v=1771915661\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/4_cd975dab-4293-43dc-86ba-6a2699f15bdf.jpg?v=1769570472\" alt=\"ERS-CV01 - Precision Cell Voltage Sensor for compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/8_37171348-548d-429d-a1ec-4f7faa7c320b.jpg?v=1769570472\" alt=\"ERS-CV01 - Precision Cell Voltage Sensor for compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\u003cstrong\u003e\u003cspan data-type=\"text\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan data-type=\"text\"\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-type=\"text\"\u003eItem: ERS-CV01 Cell Voltage Sensor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-type=\"text\"\u003eOperating voltage (serial port): 5–8.4V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-type=\"text\"\u003eOperating current (serial): 8mA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-type=\"text\"\u003eBalance port current (8S): 2mA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-type=\"text\"\u003eSupported cells: 2–8S\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-type=\"text\"\u003eBattery types: LiPo, LiHV, LiFe, LiIon\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-type=\"text\"\u003eVoltage accuracy: ±0.01V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-type=\"text\"\u003eTemperature range: –10 ℃ to +85 ℃\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-type=\"text\"\u003eSize: 43.5 × 25 × 7mm \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-type=\"text\"\u003eWeight: 6.5g\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDownload\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cbr\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan data-type=\"text\"\u003eSize\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/5_97b817b0-f792-4e73-8b72-00f1ae7cae57_480x480.jpg?v=1769571618\" alt=\"ERS-CV01 - Precision Cell Voltage Sensor for compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\n\u003ch2\u003eWeight\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"ERS-CV01 - Precision Cell Voltage Sensor for compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/6_27292c60-3747-436d-8080-d43397bcf5c3.jpg?v=1769571618\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 * ERS-CV01 Cell Voltage Sensor\u003c\/li\u003e\n\u003cli\u003e3 * Heat-Shrinkable Tube\u003c\/li\u003e\n\u003cli\u003e1 * Manual QR Code Card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"ERS-CV01 - Precision Cell Voltage Sensor for compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/7_704f33bf-ce96-41e8-951f-616e89b345f2.jpg?v=1769570472\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e","brand":"mysite","offers":[{"title":"Default Title","offer_id":47437068599467,"sku":"RM0157.ERS-CV01","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/9191\/0315\/files\/1_3a498121-6e34-4f52-9099-cbe06bb8b34c.jpg?v=1784538093"},{"product_id":"ers-cu01-real-time-current-sensor-for-compatible-expresslrs-pwm-receivers","title":"ERS-CU01 - Real-Time Current Sensor for compatible ExpressLRS PWM Receivers","description":"\u003cp\u003eThe ERS-CU01 Current Sensor is a compact telemetry module for use with compatible ExpressLRS  receivers. Installed inline between the battery and ESC, it measures real-time operating current and voltage sending the data through the ExpressLRSreceiver for display on your EdgeTX radio. This provides instant insight into system load, efficiency, and power consumption across your entire powertrain.\u003c\/p\u003e\u003cp\u003eAs part of the ERS sensor family, the ERS-CU01 also supports pass-through expansion, allowing easy daisy-chaining with additional telemetry modules. \u003c\/p\u003e\u003cp style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-CU01 - Real-Time Current Sensor for compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/1_bd92a794-19aa-4b13-9467-e83ae356542c.jpg?v=1769578521\"\u003e\u003c\/p\u003e\u003ch2\u003eLaunch Video\u003c\/h2\u003e\u003cp\u003e\u003ciframe width=\"1349\" height=\"759\" src=\"https:\/\/www.youtube.com\/embed\/ICXLDRpYn9I\" title=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\u003cp class=\"4ever-article\" data-clipboard-cangjie='[\"root\",{},[\"p\",{\"uuid\":\"miod46jg3ja9apoz2b\"},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"bold\":true,\"color\":\"\",\"data-type\":\"leaf\"},\"Features\"]]]]' data-identifier-application__slash__x-cangjie-fragment=\"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\" data-identifier-application__slash__x-doc-key=\"5VLqXLbR7jmjYqX1\"\u003e \u003c\/p\u003e\u003ch2\u003e\u003cspan data-type=\"text\"\u003eFeatures\u003c\/span\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-Time Current Monitoring: \u003c\/strong\u003eView live current draw and voltage directly on your radio to better understand system performance and prevent overload conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInline Installation:\u003c\/strong\u003e Soldered between the battery and ESC for accurate, full-system current measurement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuture-Ready Pass-Through:\u003c\/strong\u003e Includes in-and-out ports for daisy-chaining additional ERS sensors as your telemetry needs grow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless ExpressLRS Integration:\u003c\/strong\u003e Designed to work smoothly with compatible ExpressLRS PWM receivers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e\u003cspan data-type=\"text\"\u003ePlug and Play Compatible Receivers:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cspan data-type=\"text\"\u003eUsing Sensors with Non-Plug-and-Play PWM ExpressLRS Receivers:\u003c\/span\u003e\u003c\/h3\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003eMost PWM ExpressLRS receivers are fully compatible; those without a dedicated UART port require reconfiguration to support external sensors (e.g., for telemetry). To enable this, reassign two PWM output pins as a serial UART—one for TX and one for RX—via the receiver's Web UI (accessed by putting the receiver into WiFi mode) or via the ExpressLRS LUA script. This enables sensor connectivity while preserving the remaining PWM channels for servos or ESCs.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003eFor receivers that only provide standard servo pins, an optional adapter cable is available that converts the sensor’s UART connector to two standard servo plugs (TX and RX). Available here: \u003c\/span\u003e\u003c\/p\u003e\u003ch3\u003e\u003cspan data-type=\"text\"\u003eSensor Configuration \u0026amp; Telemetry Logging\u003c\/span\u003e\u003c\/h3\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003eTo configure this sensor and view telemetry on your EdgeTX radio, install the RadioMaster Sensor Configurator LUA. The LUA allows adjustment of sensor settings, enables proper telemetry display, and supports data logging for post-flight review.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003eAfter downloading, connect your radio to a Mac or PC in USB-SD mode.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003eCopy the LUA files to:\u003cbr\u003e\/SCRIPTS\/TOOLS\/\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003e👉\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-RC01 - CDI Gas Engine Tachometer for Compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/RM_Sensor_Configurator_LUA_Main.jpg?v=1769742102\"\u003e\u003c\/p\u003e\u003cp style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-RC01 - CDI Gas Engine Tachometer for Compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/RM_Sensor_Configurator_LUA_Sensor_view.jpg?v=1769742102\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/RM_Sensor_Configurator_LUA_CU01.jpg?v=1769742103\" alt=\"\"\u003e\u003c\/p\u003e\u003cp class=\"4ever-article\" data-clipboard-cangjie='[\"root\",{},[\"p\",{\"uuid\":\"miod46jg3ja9apoz2b\"},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"bold\":true,\"color\":\"\",\"data-type\":\"leaf\"},\"Features\"]]]]' data-identifier-application__slash__x-cangjie-fragment=\"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\" data-identifier-application__slash__x-doc-key=\"5VLqXLbR7jmjYqX1\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e*Battery Capacity must be set in mAh for telemetry\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003carticle class=\"4ever-article\" data-clipboard-cangjie='[\"root\",{},[\"p\",{\"uuid\":\"miod46jg3ja9apoz2b\"},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"bold\":true,\"color\":\"\",\"data-type\":\"leaf\"},\"Features\"]]]]' data-identifier-application__slash__x-cangjie-fragment=\"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\" data-identifier-application__slash__x-doc-key=\"5VLqXLbR7jmjYqX1\"\u003e\u003cp style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-CU01 - Real-Time Current Sensor for compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/2_0a50c886-d541-4a85-a191-c99faadebfa8.jpg?v=1769578521\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-CU01 - Real-Time Current Sensor for compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/3_b0c49753-2a97-4684-af03-2e74e7a087eb.jpg?v=1769578521\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-CU01 - Real-Time Current Sensor for compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/4_77ba1cc8-d69a-40ec-ab1b-2a03e7454de7.jpg?v=1769578521\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-CU01 - Real-Time Current Sensor for compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/8_1dcf0480-4926-4104-9029-2636895967d1.jpg?v=1769578521\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan data-type=\"text\"\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eItem: ERS-CU01 Current Sensor\u003c\/li\u003e\n\u003cli\u003eOperating voltage: 5–8.4V\u003c\/li\u003e\n\u003cli\u003eOperating current: 22mA\u003c\/li\u003e\n\u003cli\u003eCurrent range: 1–150A\u003c\/li\u003e\n\u003cli\u003eMax voltage: 70V\u003c\/li\u003e\n\u003cli\u003eCurrent accuracy: ±0.5A\u003c\/li\u003e\n\u003cli\u003eVoltage accuracy: ±0.1V\u003c\/li\u003e\n\u003cli\u003eContinuous current: 100A\u003c\/li\u003e\n\u003cli\u003eTemperature range: –10 ℃ to +85 ℃\u003c\/li\u003e\n\u003cli\u003eSize: 30 × 25 × 10.5mm\u003c\/li\u003e\n\u003cli\u003eWeight: 20.6g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDownload\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan data-type=\"text\"\u003eSize\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/5_771cb3a2-3d28-44de-81ba-0ffd2c352816_480x480.png?v=1769579420\" alt=\"ERS-CU01 - Real-Time Current Sensor for compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\n\u003ch2\u003eWeight\u003c\/h2\u003e\n\u003cp\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/6_908be9f0-b240-4001-b6fe-91a7784aa68b.jpg?v=1769579390\" alt=\"ERS-CU01 - Real-Time Current Sensor for compatible ExpressLRS PWM Receivers\"\u003e\u003c\/p\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 * ERS-CU01 Current Sensor\u003c\/li\u003e\n\u003cli\u003e3 * Heat-Shrinkable Tube\u003c\/li\u003e\n\u003cli\u003e1 * Manual QR Code Card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/7_86e2a6dc-693d-4f03-b4bc-719994380eab.jpg?v=1769578521\" alt=\"ERS-CU01 - Real-Time Current Sensor for compatible ExpressLRS PWM Receivers\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e","brand":"mysite","offers":[{"title":"Default Title","offer_id":47437068632235,"sku":"RM0157.ERS-CU01","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/9191\/0315\/files\/1_09a55cdd-dbc8-420f-8d51-41ab3ad54b21.png?v=1784538095"},{"product_id":"ers-ba01-precision-barometric-altitude-sensor-for-expresslrs-systems","title":"ERS-BA01 - Precision Barometric Altitude Sensor for ExpressLRS Systems","description":"\u003cp\u003eThe ERS-BA01 Barometer Sensor provides accurate, real-time altitude data for compatible ExpressLRS receivers. By capturing barometric pressure and converting it into precise relative altitude information, the ERS-BA01 delivers reliable telemetry back to your EdgeTX radio. This sensor provides clear, responsive altitude monitoring. \u003c\/p\u003e\u003cp\u003eAs part of the ERS sensor family, the ERS-BA01 also supports pass-through expansion, allowing easy daisy-chaining with additional telemetry modules.\u003c\/p\u003e\u003cp style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/1_8e3a9132-ae25-494f-b2c8-45143d6b10b2.jpg?v=1769580578\" alt=\"ERS-BA01 - Precision Barometric Altitude Sensor for ExpressLRS Systems\" style=\"float: none;\"\u003e\u003c\/p\u003e\u003ch2\u003eLaunch Video\u003c\/h2\u003e\u003cp\u003e\u003ciframe title=\"\" src=\"https:\/\/www.youtube.com\/embed\/ICXLDRpYn9I\" height=\"759\" width=\"1349\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\u003carticle data-identifier-application__slash__x-doc-key=\"5VLqXLbR7jmjYqX1\" data-identifier-application__slash__x-cangjie-fragment=\"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\" data-clipboard-cangjie='[\"root\",{},[\"p\",{\"uuid\":\"miod46jg3ja9apoz2b\"},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"bold\":true,\"color\":\"\",\"data-type\":\"leaf\"},\"Features\"]]]]' class=\"4ever-article\"\u003e\u003ch2\u003e\u003cspan data-type=\"text\"\u003eFeatures\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-Time Altitude Telemetry:\u003c\/strong\u003e Converts barometric pressure measurements into accurate relative altitude data for instant feedback on your radio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpansion-Ready Pass-Through:\u003c\/strong\u003e Includes an in-and-out port for daisy-chaining additional ERS sensors without rewiring your setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless ExpressLRS Compatibility:\u003c\/strong\u003e Integrates easily with supported ExpressLRS PWM receivers via CRSF for fast and dependable data transmission.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-type=\"text\"\u003ePlug and Play Compatible Receivers:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan data-type=\"text\"\u003eUsing Sensors with Non-Plug-and-Play PWM ExpressLRS Receivers:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-type=\"text\"\u003eMost PWM ExpressLRS receivers are fully compatible; those without a dedicated UART port require reconfiguration to support external sensors (e.g., for telemetry). To enable this, reassign two PWM output pins as a serial UART—one for TX and one for RX—via the receiver's Web UI (accessed by putting the receiver into WiFi mode) or via the ExpressLRS LUA script. This enables sensor connectivity while preserving the remaining PWM channels for servos or ESCs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-type=\"text\"\u003eFor receivers that only provide standard servo pins, an optional adapter cable is available that converts the sensor’s UART connector to two standard servo plugs (TX and RX). Available here: \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-type=\"text\"\u003eSensor Configuration \u0026amp; Telemetry Logging\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-type=\"text\"\u003eTo configure this sensor and view telemetry on your EdgeTX radio, install the RadioMaster Sensor Configurator LUA. The LUA allows adjustment of sensor settings, enables proper telemetry display, and supports data logging for post-flight review.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-type=\"text\"\u003eAfter downloading, connect your radio to a Mac or PC in USB-SD mode.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-type=\"text\"\u003eCopy the LUA files to:\u003cbr\u003e\/SCRIPTS\/TOOLS\/\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-type=\"text\"\u003e👉\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/RM_Sensor_Configurator_LUA_Main.jpg?v=1769742102\" alt=\"ERS-RC01 - CDI Gas Engine Tachometer for Compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/RM_Sensor_Configurator_LUA_Sensor_view.jpg?v=1769742102\" alt=\"ERS-RC01 - CDI Gas Engine Tachometer for Compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\u003cspan data-type=\"text\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/RM_Sensor_Configurator_LUA_BA01.jpg?v=1769742103\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/2_b9369f09-d560-4833-8f7c-ee0329127413.jpg?v=1769580578\" alt=\"ERS-BA01 - Precision Barometric Altitude Sensor for ExpressLRS Systems\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/3_58786f1d-dd7b-4960-b46d-ddb00c0de906.jpg?v=1769580578\" alt=\"ERS-BA01 - Precision Barometric Altitude Sensor for ExpressLRS Systems\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/4_13fee6d4-528c-44ac-851c-6c79a7a22ebc.jpg?v=1769580580\" alt=\"ERS-BA01 - Precision Barometric Altitude Sensor for ExpressLRS Systems\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/8_dfa9a9da-6356-4d4e-884b-457e3cb38313.jpg?v=1769580578\" alt=\"ERS-BA01 - Precision Barometric Altitude Sensor for ExpressLRS Systems\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan data-type=\"text\"\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eItem: ERS-BA01 Barometer Sensor\u003c\/li\u003e\n\u003cli\u003eOperating voltage: 5–8.4V\u003c\/li\u003e\n\u003cli\u003eOperating current: 9mA\u003c\/li\u003e\n\u003cli\u003eAltitude accuracy: ±0.5m\u003c\/li\u003e\n\u003cli\u003eTemperature range: –10 ℃ to +85 ℃\u003c\/li\u003e\n\u003cli\u003eSize: 23.5 × 13 × 7mm\u003c\/li\u003e\n\u003cli\u003eWeight: 3.5g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDownload\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cbr\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan data-type=\"text\"\u003eSize\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/5_9ed63085-dae4-4b72-9836-c576100d5846_480x480.jpg?v=1769580905\" alt=\"ERS-BA01 - Precision Barometric Altitude Sensor for ExpressLRS Systems\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\n\u003ch2\u003eWeight\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/6_bd62f5b4-7a0e-4a98-8412-0f14e23d9bd8.jpg?v=1769580765\" alt=\"ERS-BA01 - Precision Barometric Altitude Sensor for ExpressLRS Systems\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 * ERS-BA01 Precision Barometric Altitude Sensor\u003c\/li\u003e\n\u003cli\u003e3 * Heat-Shrinkable Tube\u003c\/li\u003e\n\u003cli\u003e1 * Manual QR Code Card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/7_739f15f7-ba88-4f44-ad35-eae11b849e32.jpg?v=1769580578\" alt=\"ERS-BA01 - Precision Barometric Altitude Sensor for ExpressLRS Systems\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e","brand":"mysite","offers":[{"title":"Default Title","offer_id":47437068665003,"sku":"RM0157.ERS-BA01","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/9191\/0315\/files\/1_e8aa1458-78a8-4392-a4e6-37ef4f03b00f.jpg?v=1784538096"},{"product_id":"ers-rb01-brushless-tachometer-for-compatible-expresslrs-pwm-receivers","title":"ERS-RB01 - Brushless Tachometer for Compatible ExpressLRS PWM Receivers","description":"\u003cp\u003eThe ERS-RB01 Brushless Tachometer measures RPM by tapping directly into any two wires of a brushless ESC output. The sensor captures precise speed data, sends it to a compatible ExpressLRS receiver via the CRSF interface, and relays the information back to your EdgeTX radio for real-time monitoring. Ideal for any application requiring accurate RPM feedback.\u003c\/p\u003e\u003cp\u003eAs part of the ERS sensor family, the ERS-RB01 also supports pass-through expansion, allowing easy daisy-chaining with additional telemetry modules.\u003c\/p\u003e\u003cp style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-RB01 -  Brushless Tachometer for Compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/1_184e7f76-6550-4c1c-9789-5585dbbd3dac.jpg?v=1769581148\"\u003e\u003c\/p\u003e\u003ch2\u003eLaunch Video\u003c\/h2\u003e\u003cp\u003e\u003ciframe width=\"1349\" height=\"759\" src=\"https:\/\/www.youtube.com\/embed\/ICXLDRpYn9I\" title=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\u003ch2\u003e\u003cspan data-type=\"text\"\u003eFeatures\u003c\/span\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate RPM Monitoring: \u003c\/strong\u003eCaptures real-time brushless speed with high precision.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpressLRS Integration:\u003c\/strong\u003e Sends RPM data directly to compatible ExpressLRS receivers via the CRSF interface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Unit Support:\u003c\/strong\u003e Connect multiple ERS-RB01 sensors to monitor several units simultaneously.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Ideal for any application requiring accurate RPM feedback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Easy to install without adding significant weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-Play:\u003c\/strong\u003e Quick setup with minimal wiring for fast deployment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e\u003cspan data-type=\"text\"\u003ePlug and Play Compatible Receivers:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cspan data-type=\"text\"\u003eUsing Sensors with Non-Plug-and-Play PWM ExpressLRS Receivers:\u003c\/span\u003e\u003c\/h3\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003eMost PWM ExpressLRS receivers are fully compatible; those without a dedicated UART port require reconfiguration to support external sensors (e.g., for telemetry). To enable this, reassign two PWM output pins as a serial UART—one for TX and one for RX—via the receiver's Web UI (accessed by putting the receiver into WiFi mode) or via the ExpressLRS LUA script. This enables sensor connectivity while preserving the remaining PWM channels for servos or ESCs.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003eFor receivers that only provide standard servo pins, an optional adapter cable is available that converts the sensor’s UART connector to two standard servo plugs (TX and RX). Available here: \u003c\/span\u003e\u003c\/p\u003e\u003ch3\u003e\u003cspan data-type=\"text\"\u003eSensor Configuration \u0026amp; Telemetry Logging\u003c\/span\u003e\u003c\/h3\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003eTo configure this sensor and view telemetry on your EdgeTX radio, install the RadioMaster Sensor Configurator LUA. The LUA allows adjustment of sensor settings, enables proper telemetry display, and supports data logging for post-flight review.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003eAfter downloading, connect your radio to a Mac or PC in USB-SD mode.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003eCopy the LUA files to:\u003cbr\u003e\/SCRIPTS\/TOOLS\/\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003e👉\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan data-type=\"text\"\u003e*Motor poles must be set for accurate RPM data. Contact your motor manufacturer for the correct specifications.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/RM_Sensor_Configurator_LUA_RB01.jpg?v=1769742102\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e*Used if more than one RPM sensor is used\u003c\/strong\u003e\u003c\/p\u003e\u003cp style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/RM_Sensor_Configurator_LUA_RPM_set_ID.jpg?v=1769742103\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/2_dec202e5-82be-4213-9b94-e091583eea16.jpg?v=1769581148\" alt=\"ERS-RB01 -  Brushless Tachometer for Compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/3_11c32f8c-b46f-484d-a82a-052e88b9ad04.jpg?v=1769581148\" alt=\"ERS-RB01 -  Brushless Tachometer for Compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/4_c90e120e-bd51-4e5b-bead-7e82b0c61e02.jpg?v=1769581147\" alt=\"ERS-RB01 -  Brushless Tachometer for Compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/8_80c6e6d1-5a13-4b81-b2c0-2bd53c92980b.jpg?v=1769581147\" alt=\"ERS-RB01 -  Brushless Tachometer for Compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\u003cstrong\u003e\u003cspan data-type=\"text\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003e\u003cspan data-type=\"text\"\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eItem：ERS-RB01 RPM-BLDC Sensor\u003c\/li\u003e\n\u003cli\u003eOperating voltage: 5–8.4V\u003c\/li\u003e\n\u003cli\u003eOperating current: 10mA\u003c\/li\u003e\n\u003cli\u003eMeasurement method: Contact type\u003c\/li\u003e\n\u003cli\u003eSupport: Brushless\u003c\/li\u003e\n\u003cli\u003eMotor pole pairs: LUA configurable\u003c\/li\u003e\n\u003cli\u003eRange: 200–300, 000RPM\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±0.1%\u003c\/li\u003e\n\u003cli\u003eTemperature range: –10 ℃ to +85 ℃\u003c\/li\u003e\n\u003cli\u003eSize: 28 × 12 × 8mm\u003c\/li\u003e\n\u003cli\u003eWeight: 4.8g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDownload\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cbr\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003c\/ul\u003e\u003ch2\u003e\u003cspan data-type=\"text\"\u003eSize\u003c\/span\u003e\u003c\/h2\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/5_5bcb7f5e-28d7-45d0-a50b-5d8169793cba_480x480.jpg?v=1769581507\" alt=\"ERS-RB01 -  Brushless Tachometer for Compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\u003c\/p\u003e\u003cdiv style=\"text-align: start;\"\u003e\n\u003ch2\u003eWeight\u003c\/h2\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/6_3d5a0f49-9d5a-4514-ab44-b8960fbb685f_480x480.jpg?v=1769581507\" alt=\"ERS-RB01 -  Brushless Tachometer for Compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 * ERS-RB01 RPM-BLDC Sensor\u003c\/li\u003e\n\u003cli\u003e3 * Heat-Shrinkable Tube\u003c\/li\u003e\n\u003cli\u003e1 * Manual QR Code Card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/7_c6cf157d-29df-438c-8bd3-dec13f021a20.jpg?v=1769581542\" alt=\"ERS-RB01 -  Brushless Tachometer for Compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\n\u003c\/div\u003e","brand":"mysite","offers":[{"title":"Default Title","offer_id":47437068697771,"sku":"RM0157.ERS-RB01","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/9191\/0315\/files\/1_f4002142-914e-42a5-9d23-f5fc2d06f551.jpg?v=1784538097"},{"product_id":"ers-rc01-cdi-gas-engine-tachometer-for-compatible-expresslrs-pwm-receivers","title":"ERS-RC01 - CDI Gas Engine Tachometer for Compatible ExpressLRS PWM Receivers","description":"\u003cp\u003eThe ERS-RC01 Gasoline Engine Tachometer measures RPM by connecting directly to your engine's CDI speed output. The sensor accurately detects engine speed, transmits the data to a compatible ExpressLRS receiver through the CRSF interface, and then sends it back to your EdgeTX radio for real-time monitoring. Ideal for any application requiring accurate RPM feedback.\u003c\/p\u003e\u003cp\u003eAs part of the ERS sensor family, the ERS-RC01 also supports pass-through expansion, allowing easy daisy-chaining with additional telemetry modules.\u003c\/p\u003e\u003cp style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-RC01 - CDI Gas Engine Tachometer for Compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/1_288a2611-bcc0-4f33-b782-dd2529c62190.jpg?v=1769581793\"\u003e\u003c\/p\u003e\u003ch2\u003eLaunch Video\u003c\/h2\u003e\u003cp\u003e\u003ciframe width=\"1349\" height=\"759\" src=\"https:\/\/www.youtube.com\/embed\/ICXLDRpYn9I\" title=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\u003ch2\u003e\u003cspan data-type=\"text\"\u003eFeatures\u003c\/span\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate Engine RPM:\u003c\/strong\u003e Monitors gasoline engine speed in real time with precision.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpressLRS Integration:\u003c\/strong\u003e Sends RPM data directly to compatible ExpressLRS receivers via the CRSF interface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Ideal for any application requiring accurate RPM feedback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Easy to install without adding unnecessary weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-Play:\u003c\/strong\u003e Simple connection to the CDI output for fast setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e\u003cspan data-type=\"text\"\u003ePlug and Play Compatible Receivers:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cspan data-type=\"text\"\u003eUsing Sensors with Non-Plug-and-Play PWM ExpressLRS Receivers:\u003c\/span\u003e\u003c\/h3\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003eMost PWM ExpressLRS receivers are fully compatible; those without a dedicated UART port require reconfiguration to support external sensors (e.g., for telemetry). To enable this, reassign two PWM output pins as a serial UART—one for TX and one for RX—via the receiver's Web UI (accessed by putting the receiver into WiFi mode) or via the ExpressLRS LUA script. This enables sensor connectivity while preserving the remaining PWM channels for servos or ESCs.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003eFor receivers that only provide standard servo pins, an optional adapter cable is available that converts the sensor’s UART connector to two standard servo plugs (TX and RX). Available here: \u003c\/span\u003e\u003c\/p\u003e\u003ch3\u003e\u003cspan data-type=\"text\"\u003eSensor Configuration \u0026amp; Telemetry Logging\u003c\/span\u003e\u003c\/h3\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003eTo configure this sensor and view telemetry on your EdgeTX radio, install the RadioMaster Sensor Configurator LUA. The LUA allows adjustment of sensor settings, enables proper telemetry display, and supports data logging for post-flight review.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003eAfter downloading, connect your radio to a Mac or PC in USB-SD mode.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003eCopy the LUA files to:\u003cbr\u003e\/SCRIPTS\/TOOLS\/\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan data-type=\"text\"\u003e👉\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/RM_Sensor_Configurator_LUA_Main.jpg?v=1769742102\" alt=\"ERS-RC01 - CDI Gas Engine Tachometer for Compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/RM_Sensor_Configurator_LUA_Sensor_view.jpg?v=1769742102\" alt=\"ERS-RC01 - CDI Gas Engine Tachometer for Compatible ExpressLRS PWM Receivers\" style=\"float: none;\"\u003e\u003c\/p\u003e\u003cp style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-RC01 - CDI Gas Engine Tachometer for Compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/2_7b0375fa-6f1d-4159-b68f-985434897fe8.jpg?v=1769581793\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-RC01 - CDI Gas Engine Tachometer for Compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/3_2366e714-cab7-49cc-a81a-dfc65e91919e.jpg?v=1769581793\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-RC01 - CDI Gas Engine Tachometer for Compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/4_b5c6caac-43a4-40f7-b181-0b716d4cc4f6.jpg?v=1769581793\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-RC01 - CDI Gas Engine Tachometer for Compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/8_410bb7f1-a77f-48eb-a8ac-730ef0ab0d54.jpg?v=1769581793\"\u003e\u003c\/p\u003e\u003ch2\u003e\u003cspan data-type=\"text\"\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eItem: ERS-RC01 RPM-CDI Sensor\u003c\/li\u003e\n\u003cli\u003eOperating voltage: 5–8.4V\u003c\/li\u003e\n\u003cli\u003eOperating current: 8mA\u003c\/li\u003e\n\u003cli\u003eConnector type: 3 pin\u003c\/li\u003e\n\u003cli\u003eSupported: CDI gasoline ignition\u003c\/li\u003e\n\u003cli\u003eRange: 200–300, 000RPM\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±0.1%\u003c\/li\u003e\n\u003cli\u003eTemperature range: –10 ℃ to +85 ℃\u003c\/li\u003e\n\u003cli\u003eSize: 28 × 12 × 8mm\u003c\/li\u003e\n\u003cli\u003eWeight: 6.0g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDownload\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cbr\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003c\/ul\u003e\u003ch2\u003e\u003cspan data-type=\"text\"\u003eSize\u003c\/span\u003e\u003c\/h2\u003e\u003cp style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-RC01 - CDI Gas Engine Tachometer for Compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/5_c9488ddd-1693-438c-a849-732282a8e361_480x480.jpg?v=1769582043\"\u003e\u003c\/p\u003e\u003ch2\u003eWeight\u003c\/h2\u003e\u003cp style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"ERS-RC01 - CDI Gas Engine Tachometer for Compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/lQDPJwxghyZwzp_NA-jNAu6wjUA3ou6t1BIJUqBa-coPAA_750_1000_480x480.jpg?v=1769595476\"\u003e\u003c\/p\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1 * ERS-RC01 RPM-CDI Sensor\u003c\/li\u003e\n\u003cli\u003e3 * Heat-Shrinkable Tube\u003c\/li\u003e\n\u003cli\u003e1 * Manual QR Code Card\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg style=\"float: none;\" alt=\"ERS-RC01 - CDI Gas Engine Tachometer for Compatible ExpressLRS PWM Receivers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/7_c2fef2ff-9838-42b7-ba73-36ca10086772.jpg?v=1769581794\"\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e","brand":"mysite","offers":[{"title":"Default Title","offer_id":47437068730539,"sku":"RM0157.ERS-RC01","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/9191\/0315\/files\/1_5976be61-770e-4afa-a2fd-153e0e0ed010.jpg?v=1784538099"},{"product_id":"ers-sensor-uart-to-dual-pwm-adapter","title":"ERS Sensor UART to Dual PWM Adapter","description":"\u003cp\u003eConnect your ERS sensor to most PWM ExpressLRS receiver—even those without a dedicated UART port. This compact PCB adapter converts the sensor’s female JST-GH UART connector into two outputs: a standard servo-style plug and a single-pin Dupont signal line, allowing connection to two PWM channels.\u003c\/p\u003e\u003cp\u003eFor receivers without a plug-and-play UART, reassign two PWM outputs as TX and RX using the receiver’s Web UI (WiFi mode) or the ExpressLRS LUA script. This enables full sensor functionality while keeping remaining PWM channels free for servos or ESCs. \u003c\/p\u003e\u003cp style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/1_5604d74b-67b4-411d-b02e-8cf2d4fda57f.jpg?v=1769579930\" alt=\"ERS Sensor UART to Dual PWM Adapter\" style=\"float: none;\"\u003e\u003c\/p\u003e\u003carticle data-identifier-application__slash__x-doc-key=\"5VLqXLbR7jmjYqX1\" data-identifier-application__slash__x-cangjie-fragment=\"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\" data-clipboard-cangjie='[\"root\",{},[\"p\",{\"uuid\":\"miod46jg3ja9apoz2b\"},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"bold\":true,\"color\":\"\",\"data-type\":\"leaf\"},\"Features\"]]]]' class=\"4ever-article\"\u003e\u003ch2\u003e\u003cspan data-type=\"text\"\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eItem: ERS Sensor UART to Dual PWM Adapter\u003c\/li\u003e\n\u003cli\u003eConnector type: JST-GH to 3p Servo\/ 1p dupont\u003c\/li\u003e\n\u003cli\u003eSize: 85mm\u003c\/li\u003e\n\u003cli\u003eWeight: 1.81g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan data-type=\"text\"\u003eSize\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/6_2b994af6-8d09-4015-beb2-1ab1295d7f78_600x600.jpg?v=1780644793\" alt=\"ERS Sensor UART to Dual PWM Adapter\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\n\u003ch2\u003eWeight\u003c\/h2\u003e\n\u003cp\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/3_75ef2a24-abe8-4507-a86a-86efdc8f03fe.jpg?v=1769579775\" alt=\"ERS Sensor UART to Dual PWM Adapter\"\u003e\u003c\/p\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 * ERS Sensor UART to Dual PWM Adapter\u003c\/li\u003e\n\u003cli\u003e2 * Clear shrink tube\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/article\u003e","brand":"mysite","offers":[{"title":"Default Title","offer_id":47437068763307,"sku":"RM0157.ERS-ADPTR","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/9191\/0315\/files\/7_b39326b8-cf47-44ed-a804-9b548d7502be.jpg?v=1784538100"},{"product_id":"ers-sensor-extension-cables","title":"ERS Sensor Extension Cables","description":"\u003cp\u003eAdd flexibility to your ERS sensor setup. These extension cables let you position sensors where they perform best—away from noise, heat, or interference. Designed for clean installs and reliable signal integrity across the ERS sensor series.\u003c\/p\u003e\u003cp style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/1024x575_EN_PC_b00b5e3f-4936-4548-bd23-9c25fe591cb7.jpg?v=1779779136\" alt=\"ERS Sensor Extension Cables\" style=\"float: none;\"\u003e\u003c\/p\u003e\u003ch2 style=\"text-align: start;\"\u003eAssociated Products\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\u003c\/ul\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1 * ERS Sensor Extension Cable\u003c\/li\u003e\n\u003cli\u003e2 * Clear Shrink Tube\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"mysite","offers":[{"title":"15cm","offer_id":47437068796075,"sku":"RM0157.ERS-EXT-15CM","price":1.99,"currency_code":"USD","in_stock":true},{"title":"30cm","offer_id":47437068828843,"sku":"RM0157.ERS-EXT-30CM","price":2.48,"currency_code":"USD","in_stock":true},{"title":"60cm","offer_id":47437068861611,"sku":"RM0157.ERS-EXT-60CM","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/9191\/0315\/files\/RM0157.ERS-EXT-15CM.png?v=1784538102"}],"url":"https:\/\/begreatrchobbystore.com\/de\/collections\/radiomaster-ers-series-sensor.oembed","provider":"Begreat RC Hobby","version":"1.0","type":"link"}