I have a big problem
I connect my boards to USB port.
Rx/Tx together blink 3 times and nothing ... everything power down except the blue Led from ArduMega and the red, yellow, blue on the red board.
It is very strange because I put code well before and all Leds were blinking.
I don't understand why it worked before and now anymore.
P.S When I tried to setup my receiver with configurato…
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