I have constructed a circuit that has an Arduino Pro Mini (3.3v) along with an LCD screen (3v) that is being powered off of a single 18650 battery ( 4.2v – 3.6v). The purpose of the Arduino is to take a analog reading of the voltage of the battery while the 18650 is also powering a higher ampere sec…

Regulating DC Voltage

system April 21, 2014, 3:16am 9

Are they not the same size ? There's no dimensions on that page.

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