7-30 volts dc voltage control circuit can work with supply LM317T provided with PIC16F88 used for making quick charge. Automatic charging when the battery is full breaking heat protection with thermistor There used IRF540 Mosfet PIC16F88 Fast Charger Circuit... Electronics Projects, NiMH and NiCad Batteries Fast Charger Circuit with PIC Microcontroller "battery charger circuit, microchip projects, microcontroller projects, pic assembly example, pic16f88 projects, " Date 2019/08/02