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Microcontroller based smart battery charger

The circuit what you are about to see is a smart battery charger based on ATMEGA8A with auto cut off.Different parameters are shown via a LCD during different charge states.Also the circuit will make sound via a buzzer upon charge completion. I built the charger basically to charge my 11.1v/4400maH Li-ion battery.The firmware is basically written to charge this particular battery type.You can upload your own charge protocol to fulfill your needs to charge other battery types.”

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