xr:d:DAGAnmm8A3w:3,j:5207709961036079861,t:24032614
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/05/HeathcoInternational-293983-Use-Bill-Validator-blogbanner1.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/05/HeathcoInternational-293983-Use-Bill-Validator-blogbanner1.jpg?w=800">Ever wondered what happens when you insert a bill into a vending machine? [Janne] is back with his latest project: reverse engineering a banknote validator. Curious about how these common …read more (https://hackaday.com/2025/05/11/reading-the-color-of-money/)

Simulating Cable TV
https://hackaday.com/2025/05/11/simulating-cable-tv/

[Wrongdog Recons] suffers from a severe case of nostalgia. His earlier project simulated broadcast TV, and he was a little surprised at how popular the project was on GitHub. As …read more (https://hackaday.com/2025/05/11/simulating-cable-tv/)

Rebooting An 1973 Art Installation Running On A Nova
https://hackaday.com/2025/05/12/rebooting-an-1973-art-installation-running-on-a-nova/

https://www.seawright.net/network-iv-rebooted
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2025/05/Screenshot-2025-05-11-171431-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/05/Screenshot-2025-05-11-171431-featured.png?w=800">Electronics-based art installations are often fleeting and specific things that only a select few people who are in the right place or time get to experience before they are lost to …read more (https://hackaday.com/2025/05/12/rebooting-an-1973-art-installation-running-on-a-nova/)

What’s in a Washer?
https://hackaday.com/2025/05/12/whats-in-a-washer/

Some things are so common you forget about them. How often do you think about an ordinary resistor, for example? Yet if you have a bad resistor, you’ll find it …read more (https://hackaday.com/2025/05/12/whats-in-a-washer/)

Radio Apocalypse: Meteor Burst Communications
https://hackaday.com/2025/05/12/radio-apocalypse-meteor-burst-communications/

The world’s militaries have always been at the forefront of communications technology. From trumpets and drums to signal flags and semaphores, anything that allows a military commander to relay orders …read more (https://hackaday.com/2025/05/12/radio-apocalypse-meteor-burst-communications/)

A Single-Pixel Camera Without Moving Parts Using Compressed Sensing
https://hackaday.com/2025/05/12/a-single-pixel-camera-without-moving-parts-using-compressed-sensing/

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/