
RadioMaster ExpressLRS USB UART Flasher
When upgrading ELRS receivers, there are primarily two options: Wi-Fi and Serial Port. While Wi-Fi upgrading is very user-friendly and doesn't require additional accessories, it can be susceptible to failures caused by unstable networks. For a more reliable and professional upgrade experience, RadioMaster ExpressLRS UART Flasher is your solution. This dongle is designed specifically for ELRS receiver serial port upgrades, providing a dependable and professional solution for flashing or recovering receivers with a bad flash. We have upgraded the ExpressLRS USB UART Flaher. Click here to see the improved V2 version. Features Equipped with multiple protective circuits, including overcurrent and reverse protection Optionable 3.3V and 5V output voltage Standard 2.54mm pins RM-CRSF JST-GH interface output for versatile connectivity with compatible ER series receivers Featuring a spring-loaded pin socket for enhanced convenience Comes with DuPont wires for easy testing Compatible Receiver