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/

It’s a distressing moment for some of us, when a formerly prized piece of electronic equipment reaches a point of obsolescence that we consider jettisoning it. [Jon Robinson] ran into …read more (https://hackaday.com/2021/10/24/bring-that-old-hi-fi-into-the-2020s/)

Capacitive Touch Controller for FPGAs
https://hackaday.com/2021/10/24/capacitive-touch-controller-for-fpgas/

Most projects that interface with the real world need some sort of input device. Obviously this article is being written from a standardized “human interface device” but when the computers …read more (https://hackaday.com/2021/10/24/capacitive-touch-controller-for-fpgas/)

Dactyl Chimera Leaves the Learning out of the Curve
https://hackaday.com/2021/10/24/dactyl-chimera-leaves-the-learning-out-of-the-curve/

Have you been wanting to build your own keyboard, ergonomic or otherwise, but are hesitant to spend all that time and filament on something that may not be a good …read more (https://hackaday.com/2021/10/24/dactyl-chimera-leaves-the-learning-out-of-the-curve/)

Tricky Screw Heads Have Disappearing Slots
https://hackaday.com/2021/10/24/tricky-screw-heads-have-disappearing-slots/