I see why the "SimpleModbusSlaveArduino.ino" doesn't work. The serial interface is configured to 8N2 while the PC uses 8N1. From which sketch do the two screenshots originate?
I see why the "SimpleModbusSlaveArduino.ino" doesn't work. The serial interface is configured to 8N2 while the PC uses 8N1. From which sketch do the two screenshots originate?