The project makes the USB port a convenient source of power for devices such as battery charger for a pair of AA Nickel Metal Hydride (NiMH) and Nickel Cadmium (NiCd) cells. The USB standard specifies ...
A couple of decades ago, having a dead battery usually meant pulling out jumper cables and hoping your friendly neighbor (if you didn't own a secondary car) would be kind enough to give you a jolt to ...
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