What Did The First Webcam Monitor? Answer
Back in 1991, at the University of Cambridge, a group of computer scientists grew tired of trekking to the main laboratory only to find an empty carafe. To fix this, they rigged a camera to provide a live feed of the Trojan Room coffee pot. By writing a specific program that updated a grayscale image a few times per minute, they ensured that no researcher would ever have to suffer the disappointment of a wasted trip for a caffeine fix again.
Source:
https://www.youtube.com/watch?v=MDAc_e62lj8
https://www.threads.com/@beliproduk.official/post/DU8Lpwpkjj9