Binary POV watch


I probably won’t be replacing my giant G-shock watch just yet, but this binary POV watch is pretty sweet. Sure, the POV clock is old hat by now, but it’s also a nice example of adding a Li-ionbattery to an embedded project. It uses a MAX1555 li-ion charger and throws caution to the wind and doesn’t bother with any external capacitors. Battery life is several days or several hours if the watch is put into flashlight mode.

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