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I got an error "stk500_getsync() not in sync resp=0x00" when I tried to update an Arduino Pro Mini with an FTDI Basic Breakout 5V/3.3V - Micro USB. Maybe someone has instructions on how to resolve this issue. I use the last version of Arduino IDE. All standard stuff like drivers, ports installed and configured.

I have communication with controller and I receive answers from it, but when I try to flash the firmware I get that error.

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It's your COM port or your board selection.

I often use the Pro Mini and an Uno and when I forget to change either the COM port or the board to which I have to upload the sketch to, that error message happens.

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  • I updated question.
    – Atlantis
    Oct 17 '16 at 9:49
  • Maybe wrong driver. There is only one FTDI driver.
    – Dat Ha
    Oct 17 '16 at 11:36

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