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Modbus is a simple protocol for serial communication between electronic devices.

1 vote

Modbus RTU slave library

so i edited code your as below #define mySerial Serial1 byte test_data[8] = {0x01,0x03,0x00,0x64,0x00,0x02,0x85,0xD4}; int data_count = 5; void setup() { mySerial.begin(9600); Serial.begin(96 …
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