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I am trying to use the SimpleChat application to test my RedBearLab Shield. If I send "Hello" and to to Serial.print or Serial.write the return what I see in my Serial monitor is stuff like "Fh`Fx**-H3r:AJb6# E0CbJ"

Any idea what I'm doing wrong?

Thank you, Andi Stancu

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    try changing the baud rate in the serial monitor
    – jsotola
    Commented Apr 1, 2020 at 21:18
  • That most definitely fixed it! Thank you! Please add it as a solution so I can mark it! Thank you!
    – Andi Stancu
    Commented Apr 4, 2020 at 20:19

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If you are transmitting Hello and receiving Fh'Fx**-H3r:AJb6# E0CbJ, then the problem is most likely a baud rate mismatch.

The receiver is sampling the data signal 3 or 4 times faster than it should.

Start by lowering the baud rate of the serial monitor to 1/4 of the current baud rate.

If that does not produce correct data reception, then start at the lowest baud rate and work your way up.

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