INA-219 current/voltage sensor on I2C

Author	Message
lizby Guru Joined: 17/05/2016 Location: United States Posts: 3751	Posted: 12:23am 29 Oct 2024       Fruitoftheshed: INA219 I'm using the INA226 with Annex, monitoring some miniature 18V 1A solar panels to see what wintertime shading is like in the hopes of someday mounting real panels. Here's a graph: I am not confident that I have the calibration correct, but for my purposes, it doesn't matter--the comparison over the day is what is important for this exercise. Write-up here (My post followed by a long OT digression on a Stirling engine heat pump perpetual motion device.)   DaveJacko said   (was surprised not to find anything like that already on this site.) A year ago I lamented that nothing like this was available with wifi (from China), but was sure than in another year there would be. I was wrong. ~ Edited 2024-10-29 10:24 by lizby