Power management for portable Arduino projects.
Project tutorial by craic
A time switching battery powered solar charged circuit, used to power an Arduino Uno and some peripherals.
Project in progress by Igor Fonseca Albuquerque
Thanks for the comments about the ADC - I'll try these out - I think the breadboard leads are a big part of the problem - when I wired it all onto a Protoshield the variation was greatly reduced but I'll take your advice on the pullups.
I do have a schematic for the power up/power down circuit - did you check out the github page ?
The Arduino/Hackster project page lets you 'import' a github page, which is what I did but it doesn't keep it's version updated with respect to the github repo. I've added a few things since then. I will have to see if/how I can copy those changes.
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