Watch an Electro-Permanent Magnet In Action
https://hackaday.com/2026/04/01/watch-an-electro-permanent-magnet-in-action/

Electro-permanent magnets (EPMs) are pretty nifty concepts, and if you aren’t familiar with them, they are permanent magnets with the ability to be electrically switched on or off. Unlike an …read more (https://hackaday.com/2026/04/01/watch-an-electro-permanent-magnet-in-action/)

Every 3D Printable Film Camera, In One Place
https://hackaday.com/2026/04/01/every-3d-printable-film-camera-in-one-place/

For those of us who hack old cameras, the 3D printer has undoubtedly been a boon. High precision, or at least consistent precision, lightproof enclosures can be easily made and …read more (https://hackaday.com/2026/04/01/every-3d-printable-film-camera-in-one-place/)

Post-Failure Autopsy and Analysis of an LFP Battery
https://hackaday.com/2026/04/02/post-failure-autopsy-and-analysis-of-an-lfp-battery/

Recently [Kerry Wong] had one of his Cyclenbatt LiFePO4 batteries die after only a few dozen cycles, with a normal voltage still present on the terminals. One of the symptoms …read more (https://hackaday.com/2026/04/02/post-failure-autopsy-and-analysis-of-an-lfp-battery/)

Pixel Camera Puts Lo-Fi Images In The Palm Of Your Hand
https://hackaday.com/2026/04/02/pixel-camera-puts-lo-fi-images-in-the-palm-of-your-hand/

Some things have an undeniable appeal, and lo-fi, pixelated Game Boy-camera-like images are one of them. In service of this, [Raul Zanardo] created his handheld pixel camera that goes the …read more (https://hackaday.com/2026/04/02/pixel-camera-puts-lo-fi-images-in-the-palm-of-your-hand/)

Ask Hackaday: How Much Compute is Enough?
https://hackaday.com/2026/04/02/ask-hackaday-how-much-compute-is-enough/

Over the history of this business, a lot of people have foreseen limits that look rather silly in hindsight– in 1943, IBM President Thomas Watson declared that “I think there …read more (https://hackaday.com/2026/04/02/ask-hackaday-how-much-compute-is-enough/)

Anything Can Be A Router, If You Try Hard Enough
https://hackaday.com/2026/04/02/anything-can-be-a-router-if-you-try-hard-enough/

If you’re an American and you use the Internet at home, it seems probable that routers are going to be in short supply. The US government recently mandated all such …read more (https://hackaday.com/2026/04/02/anything-can-be-a-router-if-you-try-hard-enough/)

Addressing the Divisive Topic that is Boiling Water
https://hackaday.com/2026/04/02/addressing-the-divisive-topic-that-is-boiling-water/