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How program Arduino with a FTDI cable/breakout_board via pins 0 (Rx) and 1 (Tx)?

In case the USB to UART chip (16U2 or other) is broken, you can program Arduino with a FTDI instead of 16U2 or other chip.

What are the connections to reset the Arduino microcontroller automatically when sketch is upload?

  • has your FTDI a DTR pin? – Juraj Nov 28 '17 at 10:41
  • Yes, DTR and CTS pins – jecrespo Nov 28 '17 at 11:11
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It's exactly the same as for a breadboard Arduino. That is, connect the DTR pin of your breakout board through a 0.1uF capacitor to the RESET pin. TX and RX then connect to the RX and TX pins of the Arduino respectively, along with of course the ground connection.

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