5" Raspberry Pi 3b+ UMPC

Measures 10cm x 13cm x 4cm with a 5" touch display
Printed with "premium" PLA on a 5 year old Wanhao i3. Nothing special.

Parts used:

* RPi3b+
* [5" DSI Capacitive Touch Display (800x480)](https://thepihut.com/products/5-dsi-capacitive-touch-display-for-raspberry-pi-800x480)
* Heldertech RetroPSU (bought used, very hard to get a hold of)
* [LP675776 battery](https://www.amazon.de/-/en/Battery-Li-Polymer-Rechargeable-Connector-Certified/dp/B09DPR4V6L/ref=sr_1_2?crid=10ZMSCTSXJRZ6&keywords=lp675776&qid=1661417343&sprefix=lp675776%2Caps%2C58&sr=8-2)
* [Rii Joy-It keyboard](https://www.amazon.de/-/en/TASTAMINI01-Wireless-Keyboard-Windows%C2%AE-Integrated/dp/B07MVLTY3J)
* Single DIP switch for on/off
* 2 single usb ports
* 10 tiny screws easily salvageable from other electronics

I removed the double-stacked USB ports as well as the ethernet port on the rpi to decrease it in height. Soldered on two single usb ports instead.

The receiver for the keyboard is wired up using