It might not count as “DC to daylight,” but an electromechanical attenuator that covers up to 70 GHz is pretty close, and getting a guided tour of its insides is …read more (https://hackaday.com/2024/03/15/a-look-inside-a-70-ghz-electromechanical-attenuator/)

CATS: A New Communication and Telemetry System
https://hackaday.com/2024/03/15/cats-a-new-communication-and-telemetry-system/

https://cats.radio/pages/mobile-transceiver.html
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2024/03/CATS-txer-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2024/03/CATS-txer-featured.png?w=800">CATS is a new communication and telemetry standard intended to surpass the current Automatic Packet Reporting System (APRS) standard by leveraging modern, super-cheap Frequency Shift Keying (FSK) transceivers rather than …read more (https://hackaday.com/2024/03/15/cats-a-new-communication-and-telemetry-system/)

This Week in Security: Apple Backdoors Curl, Tor’s New Bridge, and GhostRace
https://hackaday.com/2024/03/15/this-week-in-security-apple-backdoors-curl-tors-new-bridge-and-ghostrace/

OK, that headline is a bit of a cheap shot. But if you run the curl binary that Apple ships, you’re in for a surprise if you happen to use …read more (https://hackaday.com/2024/03/15/this-week-in-security-apple-backdoors-curl-tors-new-bridge-and-ghostrace/)

The Perils of Return Path Gaps
https://hackaday.com/2024/03/15/the-perils-of-return-path-gaps/

The radio frequency world is full of mysteries, some of which seem to take a lifetime to master. And even then, it seems like there’s always something more to learn, …read more (https://hackaday.com/2024/03/15/the-perils-of-return-path-gaps/)

Hackaday Podcast Episode 262: Wheelchair Hacking, Big Little Science at Home, Arya Talks PCBs
https://hackaday.com/2024/03/15/hackaday-podcast-episode-262-wheelchair-hacking-big-little-science-at-home-arya-talks-pcbs/

Join Hackaday Editors Elliot Williams and Tom Nardi as they go over their favorite hacks and stories from the past week.  This episode starts off with an update on Hackaday …read more (https://hackaday.com/2024/03/15/hackaday-podcast-episode-262-wheelchair-hacking-big-little-science-at-home-arya-talks-pcbs/)

Glow Plug Turned Metal-Capable 3D Printer Hotend
https://hackaday.com/2024/03/15/glow-plug-turned-metal-capable-3d-printer-hotend/

At this point, most readers will be familiar with fused deposition modeling (FDM) 3D printers, and how a plastic filament is pushed through a heater and deposited as liquid through …read more (https://hackaday.com/2024/03/15/glow-plug-turned-metal-capable-3d-printer-hotend/)

Folding Solar Panel is Underpowered
https://hackaday.com/2024/03/15/folding-solar-panel-is-underpowered/

If you hang out on certain kinds of sites, you can find huge-capacity USB drives and high-power yet tiny solar panels, all at shockingly low prices. Of course, the USB …read more (https://hackaday.com/2024/03/15/folding-solar-panel-is-underpowered/)