Hi,
I have developed a library that allows us to connect our ESP32 board with the PZEM004T v3.0, thanks to the Modbus protocol. The connection is made through HardwareSerial.
I have tried it with my ESP32 board and it works perfectly.
I hope it helps you and solve your problem.
Search found 1 match
- Fri Aug 30, 2019 12:03 am
- Forum: ESP32 Arduino
- Topic: TTGO T-eight problem using PZEM004T-v3.0
- Replies: 2
- Views: 6080