Hello !!!!
I bought an RS485 ba TTL adapter .
In the loaded program I have the description
.
To which pin to connect DI and R0 from the converter ?
Greetings !!!
I bought an RS485 ba TTL adapter .
In the loaded program I have the description
// communicate with Modbus slave ID 2 over Serial (port 0)
node.begin(1, Serial);
To which pin to connect DI and R0 from the converter ?
Greetings !!!