Here is where I collect links to various bits. Some I can recommend, some are just interesting (see the notes for each). I will try to collect as many things here as possible for the curious mind!

DFRobot Products

UNIHIKER - IoT Python Single Board Computer with Touchscreen
Self-powered Wireless Switch (433Mhz)
Digital Wireless Receive Switch (433MHz)

IceWhale Technology Products

Zimablade Website
Zimablade CrowdSupply Campaign

Various Components

USB Hub 1-to-2 PCB
Geeek Pi 3-Wire Controllable Fan

Input Devices

Kiwitata Wireless NES-Style Controllers


Polaroid Hi-Print Photo / Sticker Printer