3D Printing A Cyclonic Dust Seperator
https://hackaday.com/2021/12/17/3d-printing-a-cyclonic-dust-seperator/

[rctestflight] recently purchased a big CNC router, and that meant it was time to arrange for some dust extraction in the workshop. Naturally, he set about building this himself! Using …read more (https://hackaday.com/2021/12/17/3d-printing-a-cyclonic-dust-seperator/)

Implementing A CPU Using 555 Timers And Logic Synthesis
https://hackaday.com/2021/12/17/implementing-a-cpu-using-555-timers-and-logic-synthesis/

https://hackaday.io/project/182915-555enabled-microprocessor
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/12/1703451639230442821.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/12/1703451639230442821.png?w=800">There is many a comment on these here pages along the lines of “Why did you use a microcontroller, when you could just have easily used a 555 timer!” And, …read more (https://hackaday.com/2021/12/17/implementing-a-cpu-using-555-timers-and-logic-synthesis/)

The Second Worst CAD Package Ever
https://hackaday.com/2021/12/17/the-second-worst-cad-package-ever/

A while back, [Heavydeck] remembered stumbling across the worst CAD package ever, which is a schematic editor whose existence was purely intended for use to make quick circuit sketches for …read more (https://hackaday.com/2021/12/17/the-second-worst-cad-package-ever/)

SDR Toolkit Bends Weather Station To Hacker’s Whims
https://hackaday.com/2021/12/17/sdr-toolkit-bends-weather-station-to-hackers-whims/

We probably don’t have to tell most Hackaday readers why the current wave of low-cost software defined radios (SDRs) are such a big deal for hackers looking to explore the …read more (https://hackaday.com/2021/12/17/sdr-toolkit-bends-weather-station-to-hackers-whims/)

3D Printed Parts Hold Up To Steam Heat
https://hackaday.com/2021/12/18/3d-printed-parts-holds-up-to-steam-heat/

Steam turbines are at the heart of all manner of industrial machinery, particularly that used for power generation. [Integza] decided he needed to better understand this technology, and decided to …read more (https://hackaday.com/2021/12/18/3d-printed-parts-holds-up-to-steam-heat/)

A Well Documented BreadBoard Computer Shows Dedication
https://hackaday.com/2021/12/18/a-well-documented-breadboard-computer-shows-dedication/

https://www.youtube.com/watch?v=vaGZapAGvwM
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/12/Snap-2021-12-13-at-21.24.23-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/12/Snap-2021-12-13-at-21.24.23-featured.png?w=800">These pages have not been exactly devoid of home-built computers, with those constructed on solderless breadboard less frequent, but still not rarities. But what is more of a rarity is …read more (https://hackaday.com/2021/12/18/a-well-documented-breadboard-computer-shows-dedication/)

The End of the Electromechanical Era
https://hackaday.com/2021/12/18/the-end-of-the-electromechanical-era/