Configure minicom for a USB-to-Serial Converter

This post shows you how to configure minicom for a USB-to-Serial Converter, run minicom and exit it.


You will need to log out and log back in again.

Do These Steps Once

No sudo

These steps ensure that you don't have to run minicom with sudo. Do these steps one time.

1. Type sudo usermod -a -G dialout USERNAME (replace USERNAME with your username)

2. Log out and log in

Configure minicom

These steps ensure that minicom is configured

1. Type sudo minicom -s

You should see:


You need to run _this_ step with sudo so that you can Save setup as dfl later

2. Press the down arrow twice

You should see:

3. Press Enter

You should see:

4. Press A, and set the serial device to /dev/ttyUSB0 and press Enter

5. Press E and set the Bps/Par/Bits to 115200 8N1 and press Enter

6. Press F until Hardware Flow Control in No

7. Press G until Software Flow Control is No

8. Press Enter

You should see this again:

9. Press the down arrow 3 times

You should see:

10. Press Enter

You should see:

11. Press the down arrow 3 times

You should see:

12. Press Enter

Minicom is now configured

Run minicom

1. Plug your USB-to-Serial cable in

2. Type ls -l /dev/ttyUSB0

You should see:

crw-rw---- 1 root dialout 188, 0 Nov 18 21:06 /dev/ttyUSB0

3. Type minicom

You should see:

Exit minicom

1. Type Control-a x

You should see:

2. Press Enter


Install the Arduino Software (IDE) on Linux at [link]

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