[Noel’s Retro Lab] has looked at retro chip testers before, but in a recent video you can see below he’s looking at the Chip Tester Pro, a preassembled chip tester …read more (https://hackaday.com/2021/10/23/chip-tester-knows-if-your-old-chips-are-working/)

In Search of The First Comment
https://hackaday.com/2021/10/23/in-search-of-the-first-comment/

Are you writing your code for humans or computers? I wasn’t there, but my guess is that at the dawn of computing, people thought that they were writing for the …read more (https://hackaday.com/2021/10/23/in-search-of-the-first-comment/)

An Echo Dot for the 1980s
https://hackaday.com/2021/10/23/an-echo-dot-for-the-1980s/

There’s so much obsolete technology out there with great design. It’s really sad to see it end up in the landfill, because even though the insides may be outdated, good …read more (https://hackaday.com/2021/10/23/an-echo-dot-for-the-1980s/)

ESP32-Cam Makes a Dandy Motion Detector
https://hackaday.com/2021/10/23/esp32-cam-makes-a-dandy-motion-detector/

Halloween is right around the corner and just about every Halloween project needs some kind of motion sensor. Historically, we’ve used IR and ultrasonic sensors but [Makers Mashup] decided to …read more (https://hackaday.com/2021/10/23/esp32-cam-makes-a-dandy-motion-detector/)

Automating Pool Monitoring And Chemical Dosing
https://hackaday.com/2021/10/23/automating-pool-monitoring-and-chemical-dosing/

Anyone who has had a backyard pool will know that it only takes a little lapsed attention to turn the whole thing green. For those sick of having to stay …read more (https://hackaday.com/2021/10/23/automating-pool-monitoring-and-chemical-dosing/)

Gravity-Defying Water Drop Display Shows Potential
https://hackaday.com/2021/10/23/gravity-defying-water-drop-display-shows-potential/

https://www.youtube.com/watch?v=2h312IVR6Ww
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/10/Snap-2021-10-20-at-12.08.47.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/10/Snap-2021-10-20-at-12.08.47.png?w=800">[3DPrintedLife aka Andrew DeGonge] saw that advert for gatorade that shows some slick stop-motion animation using a so-called ‘liquid printer’ and wondered how they built the machine and got it …read more (https://hackaday.com/2021/10/23/gravity-defying-water-drop-display-shows-potential/)

This Arduino Terminal Does All The Characters
https://hackaday.com/2021/10/23/this-arduino-terminal-does-all-the-characters/

The job of a dumb terminal was originally to be a continuation of that performed by a paper teletype, to send text from its keyboard and display any it receives …read more (https://hackaday.com/2021/10/23/this-arduino-terminal-does-all-the-characters/)

Bring That Old Hi-Fi Into The 2020s
https://hackaday.com/2021/10/24/bring-that-old-hi-fi-into-the-2020s/