There’s a strange allure to single-pixel cameras due to the simultaneous simplicity and yet fascinating features that they can offer, such as no set resolution limit. That said, the typical …read more (https://hackaday.com/2025/05/12/a-single-pixel-camera-without-moving-parts-using-compressed-sensing/)

The ZX Spectrum Logic Analyzer
https://hackaday.com/2025/05/12/the-zx-spectrum-logic-analyzer/

We know [Happy Little Diodes] frequently works with logic analyzer projects. His recent wireless logic analyzer for the ZX Spectrum is one of the oddest ones we’ve seen in a …read more (https://hackaday.com/2025/05/12/the-zx-spectrum-logic-analyzer/)

Simulating High-Side Bootstrap Circuits With LTSpice
https://hackaday.com/2025/05/13/simulating-high-side-bootstrap-circuits-with-ltspice/

LTSpice is a tool that every electronics nerd should have at least a basic knowledge of. Those of us who work professionally in the analog and power worlds rely heavily …read more (https://hackaday.com/2025/05/13/simulating-high-side-bootstrap-circuits-with-ltspice/)

Studying QR Code Degradation
https://hackaday.com/2025/05/13/studying-qr-code-degradation/

It’s fair to say that QR codes are a technology that has finally come of age. A decade or more ago they were a little over-hyped and sometimes used in …read more (https://hackaday.com/2025/05/13/studying-qr-code-degradation/)

Trackside Observations Of A Rail Power Enthusiast
https://hackaday.com/2025/05/13/trackside-observations-of-a-rail-power-enthusiast/

The life of a Hackaday writer often involves hours spent at a computer searching for all the cool hacks you love, but its perks come in not being tied to …read more (https://hackaday.com/2025/05/13/trackside-observations-of-a-rail-power-enthusiast/)

The World’s Longest Range LED Flashlight
https://hackaday.com/2025/05/13/the-worlds-longest-range-led-flashlight/

[ApprehensiveHawk6178] reports that they have made the world’s longest range LED flashlight! While technically “handheld”, you’re gonna need both hands for this monster. According to the creator, it draws 1.2 …read more (https://hackaday.com/2025/05/13/the-worlds-longest-range-led-flashlight/)

Remembering Memory: EMS, and TSRs
https://hackaday.com/2025/05/13/remembering-memory-ems-and-tsrs/

You often hear that Bill Gates once proclaimed, “640 kB is enough for anyone,” but, apparently, that’s a myth — he never said it. On the other hand, early PCs …read more (https://hackaday.com/2025/05/13/remembering-memory-ems-and-tsrs/)

A Toolchanging Delta 3D printer
https://hackaday.com/2025/05/13/a-toolchanging-delta-3d-printer/