I want to create a power supply that gives continue voltage to the Atmega328p by using a Lipo 3.7v 400/600mah~ that can also be charged by usb. While charging it should also deliver power to the Atmega328p. I searched the web for examples and i found so many (mainly buck/stepdown converters) withou…

Buck converter 3.3v (from usb 5v., 3.7v lipo)

jremington November 1, 2017, 7:30pm 5

Pololu has a great variety of DC-DC converters.

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