Dug out my gertbot boards to use in a new project unfortunately they don't appear to be working.
Serial port is correctly configured, tried on multiple Pi boards (various generations) but always with the same result.
LEDs D5-D8 all lit, no hearbeat on D6 both the test gui and the firmware download app report "no boards found". Get the same results with a single board or with both cascaded from the same pi.
Anything I can do to revive them or are they really dead?