A Forgotten Photographic Process Characterised
https://hackaday.com/2025/04/01/a-forgotten-photographic-process-characterised/

Early photography lacked the convenience of the stable roll film we all know, and instead relied on a set of processes which the photographer would have to master from film …read more (https://hackaday.com/2025/04/01/a-forgotten-photographic-process-characterised/)

An Elegant Writer for a More Civilized Age
https://hackaday.com/2025/04/01/an-elegant-writer-for-a-more-civilized-age/

One of the most exciting trends we’ve seen over the last few years is the rise of truly personal computers — that is, bespoke computing devices that are built by …read more (https://hackaday.com/2025/04/01/an-elegant-writer-for-a-more-civilized-age/)

Why the LM741 Sucks
https://hackaday.com/2025/04/01/why-the-lm741-sucks/

First of all, we’d like to give a big shout-out to [Afrotechmods]! After a long hiatus, he has returned to YouTube with an awesome new video all about op-amp characteristics, …read more (https://hackaday.com/2025/04/01/why-the-lm741-sucks/)

A Toothbrush Hacked, in Three Parts
https://hackaday.com/2025/04/02/a-toothbrush-hacked-in-three-parts/

It’s official, we’re living in the future. Certainly that’s the only explanation for how [wrongbaud] was able to write a three-part series of posts on hacking a cheap electric toothbrush …read more (https://hackaday.com/2025/04/02/a-toothbrush-hacked-in-three-parts/)

Australia’s Steady March Towards Space
https://hackaday.com/2025/04/02/australias-steady-march-towards-space/

The list of countries to achieve their own successful orbital space launch is a short one, almost as small as the exclusive club of states that possess nuclear weapons. The …read more (https://hackaday.com/2025/04/02/australias-steady-march-towards-space/)

70 DIY Synths on One Webpage
https://hackaday.com/2025/04/02/70-diy-synths-on-one-webpage/

If you want to dip your toes into the deep, deep water of synth DIY but don’t know where to start, [Atarity] has just the resource for you. He’s compiled …read more (https://hackaday.com/2025/04/02/70-diy-synths-on-one-webpage/)

The Lowly Wall Wart Laid Bare
https://hackaday.com/2025/04/02/the-lowly-wall-wart-laid-bare/

Getting a look at the internals of a garden variety “wall wart” isn’t the sort of thing that’s likely to excite the average Hackaday reader. You’ve probably cracked one open …read more (https://hackaday.com/2025/04/02/the-lowly-wall-wart-laid-bare/)

Supercon 2024: Rethinking Body Art With LEDs
https://hackaday.com/2025/04/02/supercon-2024-rethinking-body-art-with-leds/