A team from the University of Chicago brings us a new spin on sensory substitution, the “Seeing with the Hands” project, turning external environment input into sensations. Here specifically, the …read more (https://hackaday.com/2025/03/03/sensory-substitution-device-tingles-back-of-your-hand/)

Here’s A Spy Movie-Grade Access Card Sniffing Implant
https://hackaday.com/2025/03/03/heres-a-spy-movie-grade-access-card-sniffing-implant/

Some of our devices look like they’re straight out of hacker movies. For instance, how about a small board you plant behind an RFID reader, collecting access card data and …read more (https://hackaday.com/2025/03/03/heres-a-spy-movie-grade-access-card-sniffing-implant/)

Make Your Own Air Knife and Air Amplifier
https://hackaday.com/2025/03/03/make-your-own-air-knife-and-air-amplifier/

Want to make your own air knife to cut things with? Unfortunately that’s not what these devices are intended for, but [This Old Tony] will show you how to make …read more (https://hackaday.com/2025/03/03/make-your-own-air-knife-and-air-amplifier/)

Hijacking AirTag Infrastructure To Track Arbitrary Devices
https://hackaday.com/2025/03/03/hijacking-airtag-infrastructure-to-track-arbitrary-devices/

In case you weren’t aware, Apple devices around you are constantly scanning for AirTags. Now, imagine you’re carrying your laptop around – no WiFi connectivity, but BLE’s on as usual, …read more (https://hackaday.com/2025/03/03/hijacking-airtag-infrastructure-to-track-arbitrary-devices/)

It’s SSB, But Maybe Not Quite As You Know It
https://hackaday.com/2025/03/03/its-ssb-but-maybe-not-quite-as-you-know-it/

Single Sideband, or SSB, has been the predominant amateur radio voice mode for many decades now. It has bee traditionally generated by analogue means, generating a double sideband and filtering …read more (https://hackaday.com/2025/03/03/its-ssb-but-maybe-not-quite-as-you-know-it/)

Inexpensive Powder Coating
https://hackaday.com/2025/03/04/inexpensive-powder-coating/

[Pete] had a friend who would powder coat metal parts for him, but when he needed 16 metal parts coated, he decided he needed to develop a way to do …read more (https://hackaday.com/2025/03/04/inexpensive-powder-coating/)

Interposer Helps GPS Receiver Overcome Its Age
https://hackaday.com/2025/03/04/interposer-helps-gps-receiver-overcome-its-age/

We return to [Tom Verbeure] hacking on Symmetricom GPS receivers. This time, the problem’s more complicated, but the solution remains the same – hardware hacking. If you recall, the previous …read more (https://hackaday.com/2025/03/04/interposer-helps-gps-receiver-overcome-its-age/)

Shortwave Resurrection: A Sticky Switch Fix on a Hallicrafters
https://hackaday.com/2025/03/04/shortwave-resurrection-a-sticky-switch-fix-on-a-hallicrafters/

Shortwave radio has a charm all its own: part history, part mystery, and a whole lot of tech nostalgia. The Hallicrafters S-53A is a prime example of mid-century engineering, but …read more (https://hackaday.com/2025/03/04/shortwave-resurrection-a-sticky-switch-fix-on-a-hallicrafters/)