Four short links: 4 September 2020

Inside the Digital Pregnancy Test — … is a paper pregnancy test and watch-battery-powered microcontroller connected to three LEDs, a photo-cell, and an LCD display. That (8-bit) microcontroller runs at 4MHz, almost as fast as an IBM PC did. The Incredible Proof Machine — Fun game (modelled on The Incredible Machine from the 90s) that […]

Published on Fri, 04 Sep 2020 10:40:41 +0000 on behalf of power apps replace string in array