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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?

asked Nov 28, 2017 at 10:21
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  • has your FTDI a DTR pin? Commented Nov 28, 2017 at 10:41
  • Yes, DTR and CTS pins Commented Nov 28, 2017 at 11:11

1 Answer 1

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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.

answered Nov 28, 2017 at 11:24
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