[ih] Early IoT: anyone remember The Internet Toaster and Crane? :D

[Lars Brinkhoff]

How about Arpanet of Things?

Danny Hillis connected elevator buttons to MIT's Chaosnet, and by
extension Arpanet.  Users could type a special key combination on their
keyboards to call the elevator to Tech Square floors 8 or 9.  Another
key would buzz open the door to the machine room on the 9th floor.
Source code for this is available.