USB chargers are everywhere and it is the responsibility ... Pro Mini to talk to the charger in question through a small circuit consisting of a few resistors and diodes. The QC2.0 device outputs ...

For instance, over on the Hackaday Discord server, someone has built a WUSB3801 circuit which limits a Li-ion charger’s current based on whether the USB-C port connected can provide 3 amps or not.

Charging technology has evolved significantly, offering diverse options for powering electronic devices. Whether for ...