An Audio Brick For Your Smart Home
https://hackaday.com/2025/11/01/an-audio-brick-for-your-smart-home/

If you’ve ever wanted to pump sound to all the rooms of your house, you might use any one of a number of commercial solutions. Or, you could go the …read more (https://hackaday.com/2025/11/01/an-audio-brick-for-your-smart-home/)

Multitasking On The Humble Z80 CPU
https://hackaday.com/2025/11/01/multitasking-on-the-humble-z80-cpu/

Multitasking is something we take for granted these days. Just about every computer we use, from our desktops to our phones, is capable of multitasking. It might sound silly to …read more (https://hackaday.com/2025/11/01/multitasking-on-the-humble-z80-cpu/)

Building a Xenon Lamp for Spectroscopy
https://hackaday.com/2025/11/02/building-a-xenon-lamp-for-spectroscopy/

Before a spectrometer can do any useful work, it needs to be calibrated to identify wavelengths correctly. This is usually done by detecting several characteristic peaks or dips in a …read more (https://hackaday.com/2025/11/02/building-a-xenon-lamp-for-spectroscopy/)

Building A DIY Ryzen-Based PC!
https://hackaday.com/2025/11/02/building-a-diy-ryzen-based-pc/

https://www.youtube.com/watch?v=9TmLN8_jEKs
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2025/10/Screenshot-From-2025-10-23-16-57-27.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/10/Screenshot-From-2025-10-23-16-57-27.png?w=800">This project gives a whole new meaning to DIY PC. We don’t know how capable you were as a teenager, but could you have designed your own Ryzen-based mini PC? Whilst …read more (https://hackaday.com/2025/11/02/building-a-diy-ryzen-based-pc/)

Building a Rubik’s Cube That Solves Itself
https://hackaday.com/2025/11/02/building-a-rubiks-cube-that-solves-itself/

If you’re really good, it’s possible to solve a Rubik’s Cube in under 10 seconds. For the rest of us, though, it can be an exceedingly tedious task. For that …read more (https://hackaday.com/2025/11/02/building-a-rubiks-cube-that-solves-itself/)

Pi Zero Powers A Little Indoor Rover
https://hackaday.com/2025/11/02/pi-zero-powers-a-little-indoor-rover/

Not every robot has to be big. Sometimes, you can build something fun that’s better sized for exploring your tabletop rather than the wastelands of Mars. To that end, [philosiraptor] …read more (https://hackaday.com/2025/11/02/pi-zero-powers-a-little-indoor-rover/)

2025 Component Abuse Challenge: A Piezo Disk Powers A Transmitter
https://hackaday.com/2025/11/02/2025-component-abuse-challenge-a-piezo-disk-powers-a-transmitter/