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28Sep/141

avrdude: stk500():not in sync: resp=0x00

The Problem:

Trying to flash the Hobbyking  OrangeRX Open LRS 433MHz Transmitter 1W ( JR Compatible) with openLRS produced the error "avrdude: stk500():not in sync: resp=0x00" in the Arduino IDE.

The solution:

Buy a 3.3V USBAsp board and following the guide here, flash the bootloader to the board. Once the bootloader was installed, the openLRS firmware uploaded without any errors.

 

   
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