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/

You don’t see them much anymore, but there was a time when any hobbyist who dealt with RF probably had a grid dip meter. The idea was to have an …read more (https://hackaday.com/2026/01/07/diy-grid-dip-meter-teardown/)

Co-Extrusion Carbon Fiber FDM Filament Investigated
https://hackaday.com/2026/01/07/co-extrusion-carbon-fiber-fdm-filament-investigated/

After previously putting carbon fiber-reinforced PLA filament under the (electron) microscope, the [I built a thing] bloke is back with a new video involving PLA-CF, this time involving co-extrusion rather …read more (https://hackaday.com/2026/01/07/co-extrusion-carbon-fiber-fdm-filament-investigated/)

The Unreasonable Effectiveness of the Fourier Transform
https://hackaday.com/2026/01/07/the-unreasonable-effectiveness-of-the-fourier-transform/

A talk, The Unreasonable Effectiveness of the Fourier Transform, was presented by [Joshua Wise] at Teardown 2025 in June last year. Click-through for the notes or check out the video …read more (https://hackaday.com/2026/01/07/the-unreasonable-effectiveness-of-the-fourier-transform/)

The Issue With Wii U Gamepads and How to Clone Them
https://hackaday.com/2026/01/08/the-issue-with-wii-u-gamepads-and-how-to-clone-them/