Preventing Galvanic Corrosion in Water Cooling Loops
https://hackaday.com/2025/04/20/preventing-galvanic-corrosion-in-water-cooling-loops/

Water is an excellent coolant, but the flip side is that it is also an excellent solvent. This, in short, is why any water cooling loop is also a prime …read more (https://hackaday.com/2025/04/20/preventing-galvanic-corrosion-in-water-cooling-loops/)

Printed Perpetual Calendar Clock Contains Clever Cams
https://hackaday.com/2025/04/21/printed-perpetual-calendar-clock-contains-clever-cams/

At Hackaday, it is always clock time, and clock time is a great time to check in with [shiura], whose 3D Printed Perpetual Calendar Clock is now at Version 2. …read more (https://hackaday.com/2025/04/21/printed-perpetual-calendar-clock-contains-clever-cams/)

Biasing Transistors with Current Sources
https://hackaday.com/2025/04/21/biasing-transistors-with-current-sources/

Over on his YouTube channel [Aaron Danner] explains biasing transistors with current sources in the 29th video of his Transistors Series. In this video, he shows how to replace a …read more (https://hackaday.com/2025/04/21/biasing-transistors-with-current-sources/)

Restoration of Six-Player Arcade Game From the Early 90s
https://hackaday.com/2025/04/21/restoration-of-six-player-arcade-game-from-the-early-90s/

Although the video game crash of the mid-80s caused a major decline in arcades from their peak popularity, the industry didn’t completely die off. In fact, there was a revival …read more (https://hackaday.com/2025/04/21/restoration-of-six-player-arcade-game-from-the-early-90s/)

Keebin’ with Kristina: the One with the Part Picker
https://hackaday.com/2025/04/21/keebin-with-kristina-the-one-with-the-part-picker/

If you do a lot of 3D computer work, I hear a Spacemouse is indispensable. So why not build a keyboard around it and make it a mouse-cropad? That’s exactly …read more (https://hackaday.com/2025/04/21/keebin-with-kristina-the-one-with-the-part-picker/)

Remembering UCSD p-System, the Pascal Virtual Machine
https://hackaday.com/2025/04/21/remembering-ucsd-p-system-the-pascal-virtual-machine/

Long before the Java Virtual Machine (JVM) was said to take the world by storm, the p-System  (pseudo-system, or virtual machine) developed at the University of California, San Diego (UCSD) …read more (https://hackaday.com/2025/04/21/remembering-ucsd-p-system-the-pascal-virtual-machine/)

Trekulator: A Reproduction of the 1977 Star Trek Themed Calculator
https://hackaday.com/2025/04/21/trekulator-a-reproduction-of-the-1977-star-trek-themed-calculator/