How to use a smartphone as a Pi screen over a wired ethernet connection?

Last Updated on July 1, 2024 by pg@petergamma.org

Can we use a smartphone as a Pi display which is connect over a cable ethernet connection from a Pi to the smartphone for Raspberry Pi connect?

This is relevant for our setup here:

  • Which is currently the most interesting Raspberry Pi for mobile applications – the zero 2 w?

And here:

  • Is it possible to control a Raspberry Pi through touch screen interface?
  • We can use a smartphone as a power efficient Pi screen. But this requires a HDMI to usb adapter which is not very handy.
  • A direct ethernet connection from Pi to an Android phone and Raspberry Pi Connect would be handier.

Techcraft shows us how it is in principle possible to have a direct cable ethernet connection between a Pi and an Android phone

at 7:01 in the video:

Raspberry Pi Connect requires:

  • A Pi5, Pi4 or Pi400
  • using PiOS 12 Bookworm 64 bit version
  • and the standard Wayland display server who runs the Rpi-Connect Software:

https://www.raspberryconnect.com/projects/68-net-and-comms/206-raspberrypi-connect-worldwide-access-to-your-rpi5-rpi4-or-rpi400

So for the Raspberry Pi zero 2 w no one has shown this to this date that it works. But we think it is investigating further to get rid of a bulki HDMI to usb adapter to use a smartphone as a Raspberry Pi display. And this would solve one of our problems.

https://forums.raspberrypi.com/viewtopic.php?t=372999

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