Battery Charge circuit Frequently used in technical service, especially cordless screwdriver, drill bits designed for a charging circuit for the programming, led indicator has a lot of features such as temperature control. Microcontrollers are used in charge control circuit... Electronics Projects, Hand Drill Battery Charge Controller with PIC16F88 Microcontroller "battery charger circuit, microchip projects, microcontroller projects, pic assembly example, pic16f88 projects, " Date 2019/08/02