The Simplest Way To Spot 2.4GHz RF
https://hackaday.com/2021/10/16/the-simplest-way-to-spot-2-4ghz-rf/

When the cool kids are showing off their SDRs it’s easy to forget that a radio receiver can be very simple indeed. The crystal set is one of the earliest …read more (https://hackaday.com/2021/10/16/the-simplest-way-to-spot-2-4ghz-rf/)

It’s A Hack: Air Scrubber Controlled Using The Room Lighting
https://hackaday.com/2021/10/16/its-a-hack-air-scrubber-controlled-using-the-room-lighting/

https://www.youtube.com/watch?v=LjZHeJazibk
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/09/Snap-2021-09-27-at-21.19.14.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/09/Snap-2021-09-27-at-21.19.14.png?w=800">Some products just seem to be designed to be annoying. [hardmar] discovered the air filtration system installed in his son’s basement woodshop was orientated for the best airflow, but rather …read more (https://hackaday.com/2021/10/16/its-a-hack-air-scrubber-controlled-using-the-room-lighting/)

The Wireless PS/2 Keyboard That Never Was
https://hackaday.com/2021/10/16/the-wireless-ps-2-keyboard-that-never-was/

The PS/2-style port was once about as ubiquitous on PCs as USB connectors are today, and more than a few of us accumulated a fair collection of keyboards and mice …read more (https://hackaday.com/2021/10/16/the-wireless-ps-2-keyboard-that-never-was/)

Electronic Covid Test Tear Down Shows Frustrating Example of 1-Time-Use Waste
https://hackaday.com/2021/10/17/electronic-covid-test-tear-down-shows-frustrating-example-of-1-time-use-waste/

The latest video from [TheSignalPath] is a result of his purchase of a home COVID-19 test. He found an electronic version that connects to your cell phone and displays the …read more (https://hackaday.com/2021/10/17/electronic-covid-test-tear-down-shows-frustrating-example-of-1-time-use-waste/)

A Redesigned ZX Spectrum Desktop Computer That Works Surprisingly Well
https://hackaday.com/2021/10/17/a-redesigned-zx-spectrum-desktop-computer-that-works-surprisingly-well/

Retrocomputer enthusiasts will quite often be found pondering the great what ifs of their hobby. What if Commodore had had a half-way decent marketing division is a popular one, but …read more (https://hackaday.com/2021/10/17/a-redesigned-zx-spectrum-desktop-computer-that-works-surprisingly-well/)

Machining Wood Inlays, No CNC Required
https://hackaday.com/2021/10/17/machining-wood-inlays-no-cnc-required/

It’s almost hard to remember a time when the obvious answer to most questions about manufacturing wasn’t “Throw it on the CNC.” CNC machines have become so entrenched that the …read more (https://hackaday.com/2021/10/17/machining-wood-inlays-no-cnc-required/)

Vise Tripod Lets You Put The Tool Where You Need It
https://hackaday.com/2021/10/17/vise-tripod-lets-you-put-the-tool-where-you-need-it/