Due to historical engineering decisions made many decades ago, a great many irrigation systems rely on solenoid valves that operate on 24 volts AC. This can be inconvenient if you’re …read more (https://hackaday.com/2026/02/09/converting-ac-irrigation-valves-to-dc-operation/)

Upcycling an iPad into a Touchscreen Display for your PC
https://hackaday.com/2026/02/09/upcycling-an-ipad-into-a-touchscreen-display-for-your-pc/

Although generally iPads tend to keep their resale value, there are a few exceptions, such as when you find yourself burdened with iCloud-locked devices. Instead of tossing these out as …read more (https://hackaday.com/2026/02/09/upcycling-an-ipad-into-a-touchscreen-display-for-your-pc/)

A Working Intercom From Antique Telephones
https://hackaday.com/2026/02/09/a-working-intercom-from-antique-telephones/

Although it can be hard to imagine in today’s semiconductor-powered, digital world, there was electrical technology around before the widespread adoption of the transistor in the latter half of the …read more (https://hackaday.com/2026/02/09/a-working-intercom-from-antique-telephones/)

Why Haven’t Quantum Computers Factored 21 Yet?
https://hackaday.com/2026/02/09/why-havent-quantum-computers-factored-21-yet/

If you are to believe the glossy marketing campaigns about ‘quantum computing’, then we are on the cusp of a computing revolution, yet back in the real world things look …read more (https://hackaday.com/2026/02/09/why-havent-quantum-computers-factored-21-yet/)

IBM Made a Sound Card? Who Knew!
https://hackaday.com/2026/02/09/ibm-made-a-sound-card-who-knew/

Even in a field you think you know intimately, the Internet still has the power to surprise. Sound cards of the 1990s might not be everyone’s specialist subject, but since …read more (https://hackaday.com/2026/02/09/ibm-made-a-sound-card-who-knew/)

Gaming on an Arduino Uno Q in Linux
https://hackaday.com/2026/02/10/gaming-on-an-arduino-uno-q-in-linux/

After Qualcomm’s purchase of Arduino it has left many wondering what market its new Uno Q board is trying to target. Taking the ongoing RAM-pocalypse as inspiration, [Bringus Studios] made …read more (https://hackaday.com/2026/02/10/gaming-on-an-arduino-uno-q-in-linux/)

ReMemory is the Amnesia-hedging Buddy Backup You Didn’t Know You Needed
https://hackaday.com/2026/02/10/rememory-is-the-amnesia-hedging-buddy-backup-you-didnt-know-you-needed/

What would happen if you lost your memory, even partially? With so much of our lives being digital, forgetting your passwords (or the master key to your password manager) could …read more (https://hackaday.com/2026/02/10/rememory-is-the-amnesia-hedging-buddy-backup-you-didnt-know-you-needed/)