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/

With all the battery technologies and modern low-current sleep modes in most microcontrollers, running a sensor and microcontroller combo off-grid and far away from any infrastructure is usually not too …read more (https://hackaday.com/2026/04/28/2026-green-powered-challenge-supercapacitor-enables-high-power-iot/)

Payphone Tag Is Australia’s New National Sport
https://hackaday.com/2026/04/28/payphone-tag-is-australias-new-national-sport/

Australia’s payphones are an iconic part of the national landscape, even if they’re not as important as they once used to be. However, they’re having a resurgence of late, in …read more (https://hackaday.com/2026/04/28/payphone-tag-is-australias-new-national-sport/)

Can you 3D Print a Pinball Machine That’s Fun to Play?
https://hackaday.com/2026/04/28/can-you-3d-print-a-pinball-machine-thats-fun-to-play/

It seems fair to say that pinball machines are among the most universally loved gaming systems known today, yet the full-sized ones are both very expensive and very large, while …read more (https://hackaday.com/2026/04/28/can-you-3d-print-a-pinball-machine-thats-fun-to-play/)

Recycling PLA and Other Plastic Waste with Compression Molding
https://hackaday.com/2026/04/28/recycling-pla-and-other-plastic-waste-with-compression-molding/