Ni-Cd Battery Charger
This project was to charge our battery for our Acoustic Underwater Pinger project. It takes a USB 2.0 Input (5V, 100mA) and is regulated to 4.6V since the max voltage of 1 cell is 1.2V, with a current of 60mA. 60mA was chosen because Ni-Cd has a property that when supplied with 1/10 of constant current, the battery is at no risk of overcharging since the excess power is released as heat.
Ni-Cd Battery Charger
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