Sign Detects RF to Show You are on the Air
https://hackaday.com/2021/10/19/sign-detects-rf-to-show-you-are-on-the-air/

Like a lot of hams, [Stuart] wanted an “on the air” sign. These signs often connect to a PTT switch or maybe an output from the transmitter that also does …read more (https://hackaday.com/2021/10/19/sign-detects-rf-to-show-you-are-on-the-air/)

Flickering Jack o’ Lantern Is An Easy Beginner Build
https://hackaday.com/2021/10/19/flickering-jack-o-lantern-is-an-easy-beginner-build/

The Jack o’ Lantern is a fun Halloween tradition, though one that does come with a few risks. It’s pretty easy to slice off a bit of finger when carving …read more (https://hackaday.com/2021/10/19/flickering-jack-o-lantern-is-an-easy-beginner-build/)

Audio Tape Interface Revives Microcassettes as Storage Medium
https://hackaday.com/2021/10/20/audio-tape-interface-revives-microcassettes-as-storage-medium/

In the early 1980s cassette tapes were the standard storage medium for home computer users; readers of a certain age will remember fiddling with audio jacks, tape counters and signal …read more (https://hackaday.com/2021/10/20/audio-tape-interface-revives-microcassettes-as-storage-medium/)

Spinning Threads Put the Bite on Filament in This Novel Extruder Design
https://hackaday.com/2021/10/20/spinning-threads-put-the-bite-on-filament-in-this-novel-extruder-design/

When it comes to innovation in FDM 3D printing, there doesn’t seem to be much room left to move the needle. Pretty much everything about filament printing has been reduced …read more (https://hackaday.com/2021/10/20/spinning-threads-put-the-bite-on-filament-in-this-novel-extruder-design/)

KiCad Team Releases Warning Regarding Domain Name
https://hackaday.com/2021/10/20/kicad-team-releases-warning-regarding-domain-name/

On October 19th, [Seth_h] from the KiCad Project posted on the KiCad forums that the project’s original domain name kicad-pcb.org has been unexpectedly sold to a third party, and urged …read more (https://hackaday.com/2021/10/20/kicad-team-releases-warning-regarding-domain-name/)

Know Audio: It All Depends On The DAC
https://hackaday.com/2021/10/20/know-audio-it-all-depends-on-the-dac/

Our trip through the world of audio technology has taken us step-by step from your ears into a typical home Hi-Fi system. We’ve seen the speakers and the amplifier, now …read more (https://hackaday.com/2021/10/20/know-audio-it-all-depends-on-the-dac/)

Refining the Greatest Joystick of the 1980s
https://hackaday.com/2021/10/20/refining-the-greatest-joystick-of-the-1980s/