Library for PZEM-004T V4.0 Energy Monitor on Arduino UNO R4
Supports reading voltage, current, power, energy, frequency, power factor, and alarm status from PZEM-004T-100A using Modbus RTU protocol. Optimized for Arduino UNO R4 (Minima/WiFi) with built-in error handling and CRC verification.
| Filename | Release Date | File Size |
|---|---|---|
| PZEM004Tv40_R4-1.1.0.zip | 2026-01-26 | 16.57 KiB |
| PZEM004Tv40_R4-1.0.1.zip | 2026-01-26 | 14.63 KiB |
| PZEM004Tv40_R4-1.0.0.zip | 2026-01-24 | 16.46 KiB |