USB Charger Fooled into Variable Voltage Source - Hackaday

Hackaday

USB Charger Fooled into Variable Voltage Source Hackaday In their project, [Septillion] and [Hugatry] use a 3.3 V Arduino 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 voltages of 5 V, 9 V and 12 V when it sees ...