https://twitter.com/sulfuroid/status/1488314206550118405
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/02/FKX7Y_kWUAIbGpd-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/02/FKX7Y_kWUAIbGpd-featured.png?w=800">Prolific hacker [Sulfuroid] is a medical doctor by day, and an electronics hobbyist by night, and quite how he finds the time, we have no idea. The project we want …read more (https://hackaday.com/2022/02/12/this-esp32-pico-wristwatch-has-plenty-of-potential/)

Spin Some Spudgers from Secondhand Silverware
https://hackaday.com/2022/02/12/spin-some-spudgers-from-secondhand-silverware/

Even though it’s not the right tool for the job, we’ve all used a flat head screwdriver for other purposes. Admit it — you’ve pried open a thing or two …read more (https://hackaday.com/2022/02/12/spin-some-spudgers-from-secondhand-silverware/)

Machining Waveguides For 122 GHz Operation Is Delicate Work
https://hackaday.com/2022/02/12/machining-waveguides-for-122-ghz-operation-is-delicate-work/

Millimeter-wave Radars used in modern cars for cruise control and collision avoidance are usually designed to work at ranges on the order of 100 meters or so. With some engineering …read more (https://hackaday.com/2022/02/12/machining-waveguides-for-122-ghz-operation-is-delicate-work/)

Epoxy Resin Night Light Is An Amazing Ocean-Themed Build
https://hackaday.com/2022/02/12/epoxy-resin-night-light-is-an-amazing-ocean-themed-build/

We’ve all seen those “river” tables where a lovely old piece of tree is filled with some blue resin to create a water-like aesthetic. This project from [smartyleowl] takes that …read more (https://hackaday.com/2022/02/12/epoxy-resin-night-light-is-an-amazing-ocean-themed-build/)

Sticker Brings the Heat
https://hackaday.com/2022/02/13/sticker-brings-the-heat/

[Carl] is always looking at making heater plates for PCB reflow and other applications. In his latest video, he shows how he is using thin flexible PCBs with adhesive backs …read more (https://hackaday.com/2022/02/13/sticker-brings-the-heat/)

3D Printing Rainbows
https://hackaday.com/2022/02/13/3d-printing-rainbows/

[The Action Lab] had a very serious technical problem. His daughter wanted to 3D print sparkly unicorns. But how do you make a 3D print sparkly? Turns out, he had …read more (https://hackaday.com/2022/02/13/3d-printing-rainbows/)

Weather Station Predicts Air Quality
https://hackaday.com/2022/02/13/weather-station-predicts-air-quality/

Measuring air quality at any particular location isn’t too complicated. Just a sensor or two and a small microcontroller is generally all that’s needed. Predicting the upcoming air quality is …read more (https://hackaday.com/2022/02/13/weather-station-predicts-air-quality/)