Electronic enthusiasts looking for a way to control power to the next project from a 9 V battery may be interested in a small device called snapVCC. Available to purchase from the Crowd Supply website ...
[Trent M. Wyatt]’s CPUVolt library provides a fast way to measure voltage using no external components, and no I/O pin. It only applies to certain microcontrollers, but he provides example Arduino ...
The true measurement of a battery’s capacity is essential for many scenarios. A capacity measurement device can solve the problem of spotting fake batteries as well. Nowadays fake Lithium and NiMH ...
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