USB is dead! Long live… USB-C! Yes, having been around in some form or other since the ’90s, the humble Universal Serial Bus has undergone a transformation in the past few years. Even the models on ...

Power the Circuit: Connect the micro USB port to a standard 5V USB power source. Connect the Battery: Attach a 3.7V Li-ion battery to the designated connectors on the PCB. Monitor Charging: Use the ...