This video demonstrates the board detecting the battery charging and discharging current. It also shows the miniUSB port being used to power a USB keyboard, and then being used to charge the battery when a USB charging cable is connected.
https://othermod.com/pspi-zero-versio...
https://othermod.com/product/pspi-zero/
The PSPi boards are back in stock.
https://othermod.com/product/pspi-zero/
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