Blink: https://youtube.com/shorts/fRchVV62CUs?feature=share
WiFi:
Button: https://youtube.com/shorts/3OnRxk9N1Hk?feature=share
Code:
Proposals
Telepresence Chairs (self-explanatory)
Digital Spray can (click nozzle, LED lights up, interaction with screen [phone, TV, etc] or UV paint)