DIY Battery Charger

The charger is built on a small piece of a perforated board. An ample heatsink is needed during constant current mode. The six-pin header on the right side is used to in-circuit program the Atmel ATtiny85 microcontroller.

The charger is built on a small piece of a perforated board. An ample heatsink is needed during constant current mode. The six-pin header on the right side is used to in-circuit program the Atmel ATtiny85 microcontroller.

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