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/

Split keyboards are becoming more popular, but because they’re still relatively niche, they can be rather expensive if you want to buy one. So why not make your own? Sure, …read more (https://hackaday.com/2025/03/29/diy-split-keyboard-made-with-a-saw/)