[Jasper’s] electronic load can not only act as ... [Jasper] also includes both the schematic and Arduino code, making it very easy to reproduce. There are tons of uses for a voltage controlled ...

Not exactly schematics, but [Duckman] has some Arduino pinout diagrams he made using ASCII-art. These could be useful when pasted into source code as comments, documenting the pinouts for your ...

Upload the source code to the ESP32. Assemble the circuit on a general-purpose PCB. Fix all seven LEDs on the PCB, including ...