Fred Hoefler's desktop loom uses Raspberry Pi to make weaving easier.
Raspberry Pi Pico Board RP2040 MICRO Dual-Core ARM 133MHz Cortex-M0+ Pro*KW
CarPiHAT PRO / IO Expander
Revision 2 Finally done! - Hyperion Setup Showcase - Hyperion-Project Forum
Transmission Up To 5km Serial Port Sx1262 Lora Hat For Raspberry Pi, 868mhz, 915mhz Frequency Band, For Europe, Asia, Africa - Demo Board Accessories - AliExpress
Sequent Microsystems 8 Relays 8-Layer Stackable HAT for Raspberry Pi - RobotShop
Raspberry Pi 4 Bracket by Kyboky, Download free STL model
Raspberry Pi Boards, Kits, HATs, and Accessories - Next Day Delivery - Pimoroni
How to Run a Bitcoin Node on a Raspberry Pi (2021) - Decrypt
Picade HAT and Parts Kit
McPi Carbon Fiber & Aluminum Racing Raspberry Pi Case