[rtu] baud_rate=9600 parity=none stop_bits=1 uart_num=1 tx_pin=16 rx_pin=17 de_pin=4 [modbus] device_count=3 [device 1] enabled=true unit_id=1 name=Device_1 csv=/spiffs/device_1.csv [device 2] enabled=true unit_id=2 name=Device_2 csv=/spiffs/device_2.csv [device 3] enabled=true unit_id=3 name=Device_3 csv=/spiffs/device_3.csv