Exploring Tesla Model S High Voltage Cabling
https://hackaday.com/2022/01/13/exploring-tesla-model-s-high-voltage-cabling/

Screen capture from the linked YouTube video
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/01/hv-feature.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/01/hv-feature.png?w=800">When he’s not busy with his day job as professor of computer and automotive engineering at Weber State University, [John Kelly] is a prolific producer of educational videos. We found …read more (https://hackaday.com/2022/01/13/exploring-tesla-model-s-high-voltage-cabling/)

Ride-on Tracked Vehicle Is A Stout Metal Build
https://hackaday.com/2022/01/13/ride-on-tracked-vehicle-is-a-stout-metal-build/

When we think of tracked vehicles, we normally think of tanks, or perhaps heavy construction machinery. Meanwhile the average member of the public is left out of the fun. [Bob] …read more (https://hackaday.com/2022/01/13/ride-on-tracked-vehicle-is-a-stout-metal-build/)

Soviet-Era Auto Dialler Uses Magnetic Rope Core Memory
https://hackaday.com/2022/01/13/soviet-era-auto-dialler-uses-magnetic-rope-core-memory/

We’ve seen a few interesting magnetic core memories on these fine pages over the years, but we don’t recall seeing too many user programmable magnetic core memory devices. This interesting …read more (https://hackaday.com/2022/01/13/soviet-era-auto-dialler-uses-magnetic-rope-core-memory/)

Microwave Sampler is Like Time Domain Mixer
https://hackaday.com/2022/01/13/microwave-sampler-is-like-time-domain-mixer/

[Gregory] is building some microwave gear and wanted to convert a 3.3 GHz signal to a 12 MHz intermediate frequency. You might think of using a mixer, but you’d need …read more (https://hackaday.com/2022/01/13/microwave-sampler-is-like-time-domain-mixer/)

Pico Does PID
https://hackaday.com/2022/01/13/pico-does-pid/

If you wanted to, say, control a temperature you might think you could just turn on a heater until you reach the desired temperature and then turn the heater off. …read more (https://hackaday.com/2022/01/13/pico-does-pid/)

This DIY Microscope Design is All Wet
https://hackaday.com/2022/01/14/this-diy-microscope-design-is-all-wet/

[Robert Murray-Smith] wanted to recreate how some ancient microscopes worked: with a drop of water as a lens. The idea is that the meniscus of a drop of water will …read more (https://hackaday.com/2022/01/14/this-diy-microscope-design-is-all-wet/)

Game Boy Becomes Super Game Boy with a Pair of Pis
https://hackaday.com/2022/01/14/game-boy-becomes-super-game-boy-with-a-pair-of-pis/