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. Mismatched versions often cause binding failures. Next, check that the receiver is powered correctly, ideally with a stable 5V supply, and that the binding button or pads are properly engaged during the binding process. On the transmitter, enter binding mode by selecting the correct model and initiating bind before powering the receiver. Make sure the receiver’s antenna is connected and undamaged, as poor signal can prevent binding. Also, confirm that the receiver is in bind mode—usually indicated by a flashing LED—before starting the process. If you have multiple receivers or transmitters nearby, turn those off to avoid interference. Finally, try resetting both devices and performing a fresh bind. If problems persist, verify wiring and ports, and consult the ExpressLRS documentation for specific model instructions.
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