Solid state batteries, we are told, are the new hot battery technology that will replace lithium-ion batteries. Soon. Not that we haven’t heard that before. One reason it isn’t dominating …read more (https://hackaday.com/2026/04/27/why-solid-state-batteries-short/)

Sega Master System Controllers, Now With USB C
https://hackaday.com/2026/04/27/sega-master-system-controllers-now-with-usb-c/

USB wasn’t even a gleam in an engineer’s eye when the Sega Master System hit the market in 1985. Today, we’re up to USB 4 or something, and the USB …read more (https://hackaday.com/2026/04/27/sega-master-system-controllers-now-with-usb-c/)

A Guide to CubeSat Mission and Bus Design
https://hackaday.com/2026/04/28/a-guide-to-cubesat-mission-and-bus-design/

If you mention the word bus, you might think of public transportation or, more likely for us, a way to connect things together. But in the satellite world, the bus …read more (https://hackaday.com/2026/04/28/a-guide-to-cubesat-mission-and-bus-design/)

New Slicer Enables Horizontal Overhangs Without Support
https://hackaday.com/2026/04/28/new-slicer-enables-horizontal-overhangs-without-support/

There’s a rule of thumb when it comes to FDM printing that overhangs are really only possible to an angle of around 45 degrees or so. If you try to …read more (https://hackaday.com/2026/04/28/new-slicer-enables-horizontal-overhangs-without-support/)

The GPS III Rollout is Almost Complete, But What is it?
https://hackaday.com/2026/04/28/the-gps-iii-rollout-is-almost-complete-but-what-is-it/

Considering how integral it is to our modern way of life, you could be excused for thinking that the Global Positioning System (GPS) is a product of the smartphone era. …read more (https://hackaday.com/2026/04/28/the-gps-iii-rollout-is-almost-complete-but-what-is-it/)

A Tube Amplifier That’s Oven Ready
https://hackaday.com/2026/04/28/a-tube-amplifier-thats-oven-ready/

The problem with tube based audio is that it has so often been hijacked by people for whom the bragging rights of having a tube amplifier outweigh the benefits, or …read more (https://hackaday.com/2026/04/28/a-tube-amplifier-thats-oven-ready/)

Hackaday Europe: Last Round of Speakers, Workshops
https://hackaday.com/2026/04/28/hackaday-europe-last-round-of-speakers-workshops/

If you don’t already have your tickets to Hackaday Europe, pick them up now. The clock is ticking! Today, we’d like to announce our keynote speaker, the remainder of our …read more (https://hackaday.com/2026/04/28/hackaday-europe-last-round-of-speakers-workshops/)

2026 Green Powered Challenge: Supercapacitor Enables High-Power IoT
https://hackaday.com/2026/04/28/2026-green-powered-challenge-supercapacitor-enables-high-power-iot/