As we discussed in my previous column, until a few weeks ago, the Arduino Uno microcontroller development board we’ve all grown to know and love was the R3 (“Revision 3”). This little rascal is ...
Arduino library for the PZEM-004T V4.0 (100A) Energy Monitor, compatible with Arduino UNO R3, R4, Nano, Mega, and other Arduino boards. This library enables easy reading of voltage, current, power, ...