The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...
It’s always nice to simulate a project before soldering a board together. Tools like QUCS run locally and work quite well for ...
It is a running gag around here that whenever a project posts, someone will inevitably point out that it could have been done ...
It's a solved problem, but I actually prefer a simple web UI.