Problem with usb. Board helder

[rodocop]

One more question please, how can i see in the screen the battery %? Like (https://professor-falken.com/wp-content ... n.com_.jpg) is possible?

Follow the instructions here, you'll have to reprogram the board, and add the necessary wires to get the battery monitor going.

http://www.sudomod.com/forum/viewtopic.php?f=22&t=2970

[sckay]

It's a little bit complicated. What I did, when I built my Gameboy almost a year ago, was to put a voltimeter in the back of the gameboy to know the voltage that had the battery. For example, my gameboy turns off the screen due to power failure (Pi is still working) at 3V approx