The concept of building your own hydroelectric generator seems simple at face value: use gravity to impart as much force as possible onto a turbine, which spins a generator, thus …read more (https://hackaday.com/2026/01/06/the-many-questions-and-challenges-with-diy-hydroelectric-generators/)

Faraday Effects Emerging from the Optical Magnetic Field
https://hackaday.com/2026/01/06/faraday-effects-emerging-from-the-optical-magnetic-field/

As an electromagnetic radiation phenomenon, it’s perhaps not so surprising that light is affected by a magnetic field. This Faraday effect (FE) has been used since its discovery by [Michael …read more (https://hackaday.com/2026/01/06/faraday-effects-emerging-from-the-optical-magnetic-field/)

This 8-Bit Commodore PET Was Hard to Fix
https://hackaday.com/2026/01/06/this-8-bit-commodore-pet-was-hard-to-fix/

Over on [Ken Shirriff]’s blog is a tricky Commodore PET repair: tracking down 6 1/2 bad chips. WARNING: contains 8-bit assembly code. The Trinity of 1977 which started the personal …read more (https://hackaday.com/2026/01/06/this-8-bit-commodore-pet-was-hard-to-fix/)

Repairing a Self-Destructing SRS DG535 Digital Delay Generator
https://hackaday.com/2026/01/07/repairing-a-self-destructing-srs-dg535-digital-delay-generator/

There’s a lot of laboratory equipment out there that the casual hobbyist will never need to use, but that doesn’t mean you wouldn’t snap it up if the price is …read more (https://hackaday.com/2026/01/07/repairing-a-self-destructing-srs-dg535-digital-delay-generator/)

An RP2040 Powered ADS-B Receiver
https://hackaday.com/2026/01/07/an-rp2040-powered-ads-b-receiver/

If you’ve ever heard the sound of an aircraft passing overhead and looked at an online plane tracker to try and figure out what it was, then you’ve interacted with …read more (https://hackaday.com/2026/01/07/an-rp2040-powered-ads-b-receiver/)

The Rise and Fall of The In-Car Fax Machines
https://hackaday.com/2026/01/07/the-rise-and-fall-of-the-in-car-fax-machines/

Once upon a time, a car phone was a great way to signal to the world that you were better than everybody else. It was a clear sign that you had money …read more (https://hackaday.com/2026/01/07/the-rise-and-fall-of-the-in-car-fax-machines/)

Build a 2K Resolution MSLA 3D Resin Printer for Cheap
https://hackaday.com/2026/01/07/build-a-2k-resolution-msla-3d-resin-printer-for-cheap/

Have an old Android device collecting dust somewhere that you’d like to put to better use? [Electronoobs] shows us how to make a Masked Stereolithography Apparatus (MSLA) printer for cheap …read more (https://hackaday.com/2026/01/07/build-a-2k-resolution-msla-3d-resin-printer-for-cheap/)

How Do PAL and NTSC Really Work?
https://hackaday.com/2026/01/07/how-do-pal-and-ntsc-really-work/