Survey of Carrier Boards for the CM4 compute module
- https://www.raspberrypi.org/products/compute-module-4-io-board/
- https://hackaday.io/project/177626-mirkopc-cm4-carrier-board
- VERY COMPREHENSIVE https://pipci.jeffgeerling.com/boards_cm.html
- https://www.gumstix.com/community/blog/raspberry-pi-cm4-carrier-boards-from-gumstix/
- https://store.oratek.com/products/tofu
- creating your own carrier boards in kicad https://www.digikey.com/en/maker/projects/creating-a-raspberry-pi-compute-module-4-cm4-carrier-board-in-kicad/7812da347e5e409aa28d59ea2aaea490
- smallest carrier board https://www.cnx-software.com/2021/08/10/mincab-smallest-raspberry-pi-cm4-carrier-board/
- https://lim.loonix.ca/
- https://github.com/l00nix/rpi-cm4-LiM-board
- Arduino Uno R3 form factor https://pallavaggarwal.in/2021/07/14/piunora-raspberrypi-cm4-carrier-board/
- https://www.crowdsupply.com/diodes-delight/piunora