How do you get images downlinked from 30 km up? Hams might guess SSTV — slow scan TV — and that’s the approach [desafloinventor] took. If you haven’t seen it …read more (https://hackaday.com/2025/03/28/pictures-from-a-high-altitude-balloon/)

How to Make a 13 mm Hole With a 1/2″ Drill Bit
https://hackaday.com/2025/03/29/how-to-make-a-13-mm-hole-with-a-1-2-drill-bit/

As everyone knows, no matter how many drill bits one owns, one inevitably needs a size that isn’t on hand. Well, if you ever find yourself needing to drill a …read more (https://hackaday.com/2025/03/29/how-to-make-a-13-mm-hole-with-a-1-2-drill-bit/)

Recreating the Analog Beauty of a Vintage Tektronix Oscillator
https://hackaday.com/2025/03/29/recreating-the-analog-beauty-of-a-vintage-tektronix-oscillator/

Tektronix must have been quite a place to work back in the 1980s. The company offered a bewildering selection of test equipment, and while the digital age was creeping in, …read more (https://hackaday.com/2025/03/29/recreating-the-analog-beauty-of-a-vintage-tektronix-oscillator/)

Contagious Ideas
https://hackaday.com/2025/03/29/contagious-ideas/

We ran a story about a wall-mounted plotter bot this week, Mural. It’s a simple, but very well implemented, take on a theme that we’ve seen over and over again …read more (https://hackaday.com/2025/03/29/contagious-ideas/)

Open Source Framework Aims to Keep Tidbyt Afloat
https://hackaday.com/2025/03/29/open-source-framework-aims-to-keep-tidbyt-afloat/

We recently got a note in the tips line from [Tavis Gustafson], who is one of the developers of Tronbyt — a replacement firmware and self-hosted backend that breaks the …read more (https://hackaday.com/2025/03/29/open-source-framework-aims-to-keep-tidbyt-afloat/)

AMSAT-OSCAR 7: the Ham Satellite That Refused to Die
https://hackaday.com/2025/03/29/amsat-oscar-7-the-ham-satellite-that-refused-to-die/

When the AMSAT-OSCAR 7 (AO-7) amateur radio satellite was launched in 1974, its expected lifespan was about five years. The plucky little satellite made it to 1981 when a battery …read more (https://hackaday.com/2025/03/29/amsat-oscar-7-the-ham-satellite-that-refused-to-die/)

An ESP32 Pomdoro Timer
https://hackaday.com/2025/03/29/an-esp32-pomdoro-timer/

The Pomdoro technique of time management has moved on a little from the tomato-shaped kitchen timer which gave it a name, as [Rukenshia] shows us with this nifty ESP32 and …read more (https://hackaday.com/2025/03/29/an-esp32-pomdoro-timer/)

DIY Split Keyboard Made with a Saw
https://hackaday.com/2025/03/29/diy-split-keyboard-made-with-a-saw/