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Hi, I'd like to use a boost converter to connect a 3.7v Lithium battery to the Witty Pi 4 mini which is then used to power-manage a Raspberry Pi Zero 2W. How would I adapt the instructions in the article below for an energy efficient configuration?
https://www.uugear.com/portfolio/adding-dcdc-step-up-boost-module-to-witty-pi-mini/
(This article is for the Witty Pi mini, but the 4 mini has a different layout.)
Thanks.
Posted : 20/03/2024 5:13 am
@tulas The tutorial you referred is rather old, we later designed a product named Witty Pi 4 L3V7, which serves the same purpose, and it can even charge your battery.
Posted : 20/03/2024 8:14 am
Topic starter
@uugear, thanks for the reply. I have the L3v7 (and it works well) but I also have a couple of 4 mini's which I wanted to use with a Li-Ion battery. I guess I could do battery->boost converter->witty but was concerned about the sleep current usage of the converter.
Posted : 20/03/2024 6:10 pm