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more cleaning up

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Joseph Timothy Foley
2026-06-29 00:22:16 +00:00
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# Gadget Mode to setup a serial connection over USB
Prepare Raspberry Pi OS connection over a microUSB serial cable
Important:  choose either PiUART or OTG.  If you do both, it is possible that neither will work.  Also, you will want to disable the serial console if you are trying to use that serial port for communicating with other devices.  Important reading:  Raspberry PI UART configuration
USB-OTG method (Works on Zero, Zero W, and Compute Module)
Important: You will want to disable the serial console on RX/TX if you are trying to use that serial port for communicating with other devices.
Based upon Adafruit guide: https://learn.adafruit.com/turning-your-raspberry-pi-zero-into-a-usb-gadget/serial-gadget:
The author discovered errors in the guide and was able to correct them thanks to this blog https://www.isticktoit.net/?p=1383
# Raspberry Pi Connect
Make sure you have your USB cable plugged into the left port **USB** and not the right port marked **PWR**.
1. Open a connection to the device
1. Open a connection to the device via ssh or Raspberry Pi Connect
1. Become root (the superuser)
```
sudo su