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- Fri Apr 19, 2019 11:24 pm
- Forum: ESP32 boards
- Topic: modbus RTU MASTER and rs485 with lora32
- Replies: 1
- Views: 2606
modbus RTU MASTER and rs485 with lora32
Hello, i am from Colombia, i am working with TTGO Lora32 V2.1, i'll leave the link below, i need to use the board like MASTER MODBUS RTU with port rs485 to communicate with a slave sensor, I know the umodbus library but I do not know how to make the port rs485, I have a module ttl to rs485, I will a...