With the USB cable connected, the display itself illuminates to what I'd estimate to be about 40-60% of its original brightness. Although Windows detects the insertion of a USB device and lists it as a COM, it doesn't display its boot screen nor does it respond to LCDC. It appears to be well and ...

After the topic of *this* GPO question is sorted, I'd wonder if the Matrix Orbital people can tell me what effects on the board I killed would have bee. In essence, the 5v and Gnd of the GPOs were shorted :oops: (Won't do that again).

Would the effect be limited to a small number of (hopefully ...

I've just quickly played around with my multimeter and believe that I have confirmed my previous belief; with the slight modification that when the GPO is "Off" it is electrified to 5v so there is a zero potential between it and its corresponding 5v pin.

++++
456G

(+ = +5v; 4,5,6=GPO; G = ground)

Hi,

I've just recently bought a LK202-24-USB PCB 1.3 to replace my another 202-24 that I managed to kill by accidentally shorting +5 and GND (electricity 1, me 0).

Anyhow, I'm looking at the GPO 4, 5 and 6 pins on the 1.3 and notice that it lacks the NC key that my older module had, and also that ...