Review: XHDATA D-219 Short Wave Radio Receiver
https://hackaday.com/2023/03/15/review-xhdata-d-219-short-wave-radio-receiver/

As any radio amateur will tell you, the world of radio abounds with exciting possibilities. Probably the simplest pursuit of them all is that of the SWL, or short wave …read more (https://hackaday.com/2023/03/15/review-xhdata-d-219-short-wave-radio-receiver/)

The International Space Station Is Always Up There
https://hackaday.com/2023/03/15/the-international-space-station-is-always-up-there/

Thanks to its high orbital inclination, the International Space Station (ISS) eventually passes over most inhabited parts of the Earth. Like other artificial satellites, though, it’s typically only visible overhead …read more (https://hackaday.com/2023/03/15/the-international-space-station-is-always-up-there/)

E-Paper Wall Paper
https://hackaday.com/2023/03/15/e-paper-wall-paper/

Just like the clock clock of old, there’s something magical about a giant wall of smaller pieces working together to make a larger version of that thing. The E-Paper Wall …read more (https://hackaday.com/2023/03/15/e-paper-wall-paper/)

Retrotechtacular: Military Graphics in the 1960s
https://hackaday.com/2023/03/15/retrotechtacular-military-graphics-in-the-1960s/

While you might think the military doesn’t have a sense of humor with names. Take the AN/MSQ-19 “automated tactical operations central” for example. (Video, embedded below.) But then, when you …read more (https://hackaday.com/2023/03/15/retrotechtacular-military-graphics-in-the-1960s/)

Voice Without Sound
https://hackaday.com/2023/03/15/voice-without-sound/

Voice recognition is becoming more and more common, but anyone who’s ever used a smart device can attest that they aren’t exactly fool-proof. They can activate seemingly at random, don’t …read more (https://hackaday.com/2023/03/15/voice-without-sound/)

A Smart Home That CAN Do It All
https://hackaday.com/2023/03/15/a-smart-home-that-can-do-it-all/

In an ideal smart home, the explosion of cheap WiFi and Bluetooth chips has allowed hundreds of small wireless devices to control the switches, lights, and everything else required for …read more (https://hackaday.com/2023/03/15/a-smart-home-that-can-do-it-all/)

Laser and Webcam Team Up for Micron-Resolution Flatness Measurements
https://hackaday.com/2023/03/16/laser-and-webcam-team-up-for-micron-resolution-flatness-measurements/