Question: Why won’t my ExpressLRS receiver bind to the transmitter?
Answer: First, ensure both your transmitter and receiver are running compatible ExpressLRS firmware versions. Use the official ExpressLRS Configurator to flash the latest stable firmware on both devices. Next, verify that the receiver is powered correctly, with a stable 5V supply and a good ground connection. To bind, put the transmitter into bind mode (usually by pressing a bind button or selecting it in the LUA script) and then power on the receiver while holding its bind button or shorting the bind pads if applicable. Check that the receiver’s LED indicates binding mode (often a blinking light). If binding still fails, confirm that the correct receiver model and settings are selected in the Configurator, especially the correct frequency band (e.g., 2.4GHz) and power output. Also, ensure you’re within a few metres of the receiver during binding to avoid signal issues. Finally, try resetting both devices and repeating the process. Following these steps should resolve most binding problems with ExpressLRS receivers.
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