The current state of the art of embedded motion sensing is based around micro-electromechanical systems (MEMS) devices. These miracles of microfabrication use tiny silicon structures, configured to detect acceleration and …read more (https://hackaday.com/2021/12/28/quantum-atomic-interferometer-for-precision-motion-sensing/)

The Pinouts Book is Here, and It’s Just What You Need
https://hackaday.com/2021/12/28/the-pinouts-book-is-here-and-its-just-what-you-need/

Updates from the enigmatic [NODE] are unfortunately few and far between these days. In fact his latest post is only the second time we’ve heard from the hacker in 2021. …read more (https://hackaday.com/2021/12/28/the-pinouts-book-is-here-and-its-just-what-you-need/)

Linux Fu: Don’t Share Well With Others
https://hackaday.com/2021/12/28/linux-fu-dont-share-well-with-others/

In kindergarten, you learn that you should share. But for computer security, sharing is often a bad thing. The Linux kernel introduced the concept of namespaces starting with version 2.6.24. …read more (https://hackaday.com/2021/12/28/linux-fu-dont-share-well-with-others/)

DIY Infrared Calculator Printer
https://hackaday.com/2021/12/28/diy-infrared-calculator-printer/

image from project’s Hackaday.io gallery
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/12/irda-feature.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/12/irda-feature.jpg?w=800">[Ziggurat29] had been playing around with infrared protocols, and realized he had a spare point-of-sale printer kicking around in his junk box. So he decided to whip up his own …read more (https://hackaday.com/2021/12/28/diy-infrared-calculator-printer/)

Enter the Matrix with This Custom PC Side Panel
https://hackaday.com/2021/12/28/enter-the-matrix-with-this-custom-pc-side-panel/

With a new Matrix movie out now, it’s hardly a surprise that we’re starting to see more and more projects centered around the franchise’s iconic “Digital Rain” effect. A few …read more (https://hackaday.com/2021/12/28/enter-the-matrix-with-this-custom-pc-side-panel/)

Clear Off the Coffee Table, It’s Pinball Time
https://hackaday.com/2021/12/28/clear-off-the-coffee-table-its-pinball-time/

Like many of us, [BuildXYZ] has always wanted to own a pinball machine, but doesn’t have the space to justify buying such a big and heavy toy. But where there’s …read more (https://hackaday.com/2021/12/28/clear-off-the-coffee-table-its-pinball-time/)

UV Printing PCBs
https://hackaday.com/2021/12/28/uv-printing-pcbs/

We always enjoy [Thomas Sanladerer’s] 3D printing videos. But his latest isn’t only about 3D printing. He shows how he uses a DLP printer — which has UV light, after …read more (https://hackaday.com/2021/12/28/uv-printing-pcbs/)

1950s Vacuum Tube Computer Replica Communicates Through USB
https://hackaday.com/2021/12/28/1950s-vacuum-tube-computer-replica-communicates-through-usb/