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/

Many projects on these pages do clever things with video. Whether it’s digital or analogue, it’s certain our community can push a humble microcontroller to the limit of its capability. …read more (https://hackaday.com/2026/01/07/how-do-pal-and-ntsc-really-work/)

Testing Laughing Gas for Rocket Propellant
https://hackaday.com/2026/01/07/testing-laughing-gas-for-rocket-propellant/

Nitrous oxide’s high-speed abilities don’t end with racing cars, as it’s a powerful enough oxidizer to be a practical component of rocket propellant. Since [Markus Bindhammer] is building a hybrid …read more (https://hackaday.com/2026/01/07/testing-laughing-gas-for-rocket-propellant/)

Graphing Calculator Gets USB-C Upgrade
https://hackaday.com/2026/01/07/graphing-calculator-gets-usb-c-upgrade/

Unlike Texas Instruments, whose graphing calculators have famously not made technological improvements in decades despite keeping the same price tag, HP has made a few more modern graphing calculators in …read more (https://hackaday.com/2026/01/07/graphing-calculator-gets-usb-c-upgrade/)

DIY Grid Dip Meter Teardown
https://hackaday.com/2026/01/07/diy-grid-dip-meter-teardown/