OK, so, not the best solder job, but when I power the Diavolino board with either a battery pack or USB through the Friend board, the red LED blinks once, waits, then blinks 3 times fast, then goes dark forever. I cannot get the Arduino IDE to recognize it at all. The IDE says “avrdude: stk500_recv(): programmer is not responding”
Honestly, I do not know whether the chip bootloader was affected because someone else was using the board for a while, but shouldn’t the light blink regardless?
Thanks!