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- 13 Apr 2021, 20:33
- Forum: ESP Easy: General Discussion
- Topic: Using EspEasy RS485 MODBUS RTU to read OR-WE-504
- Replies: 1
- Views: 6999
Using EspEasy RS485 MODBUS RTU to read OR-WE-504
Hello, I am a beginner, please be understanding. I would like to read the readings from the OR-WE-504 ORNO meter using RS485 MODBUS RTU. I connected the UART TTL RS485 MAX485 5V converter to the Wemos D1. Wemos_D1_mini_RS485_bb-1.jpg The ORNO counter was connected to the converter. Unfortunately, I ...