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  • 1
    On the Arduino serial monitor - have you set it to "Both NL & CR" ? Commented May 27, 2023 at 15:44
  • 2
    the picture is not useful ... it shows two boards and some wires, but it does not show where the connections are Commented May 27, 2023 at 15:54
  • @DrG yes I have set it to Both NL & CR Commented May 28, 2023 at 5:00
  • @jsotola sorry, but the connections are the same as mentioned above. Commented May 28, 2023 at 5:01