µBoost is a Single AA powered, 3.3v 100mA power source and flashlight and it can run low power devices.
µBoost is small, portable, 3.3v 100mA power source for low power devices like Arduino Mini. It has white power LED and can usable as flashlight. Also it has “Battery OK” indicator that asserts when the battery voltage drops below 0.9v.
There is a 3mm hole on top, so you can hang it easily. You can simply turn it on/off by pressing the power button. It works as flip-flop.
uBoost Single AA to 3.3v 100mA Power Supply – [Link]
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