[Asianometry] has been learning about gallium nitride semiconductors and shares what he knows in an informative video you can see below. This semiconductor material has a much higher bandgap voltage …read more (https://hackaday.com/2022/12/20/the-gallium-nitride-revolution/)

The Coleman Z80 is a Modern Take on a 1970s Computer
https://hackaday.com/2022/12/20/the-coleman-z80-is-a-modern-take-on-a-1970s-computer/

[Joshua Coleman] likes to design his own computers. Sometimes, that means drawing up bus architectures,  memory maps and I/O port pinouts. Other times, he can focus his efforts more on …read more (https://hackaday.com/2022/12/20/the-coleman-z80-is-a-modern-take-on-a-1970s-computer/)

Morphing Keyboard Gets You Dialed In Just Right
https://hackaday.com/2022/12/21/morphing-keyboard-gets-you-dialed-in-just-right/

So you’re tired of rectangular, brick wall-staggered keyboards and want to go split and/or ergo. But how? Which style? What do? Here’s what you do: you build one of these …read more (https://hackaday.com/2022/12/21/morphing-keyboard-gets-you-dialed-in-just-right/)

Arc Overhangs Make “Impossible” 3D Prints
https://hackaday.com/2022/12/21/arc-overhangs-make-impossible-3d-prints/

An accidental discovery by [3DQue] allows overhangs on FDM printers that seem impossible at first glance. The key is to build the overhang area with concentric arcs. It also helps …read more (https://hackaday.com/2022/12/21/arc-overhangs-make-impossible-3d-prints/)

Big Chemistry: Liquefied Natural Gas
https://hackaday.com/2022/12/21/big-chemistry-liquefied-natural-gas/

The topic of energy has been top-of-mind for us since the first of our ancestors came down out of the trees looking for something to eat that wouldn’t eat them. …read more (https://hackaday.com/2022/12/21/big-chemistry-liquefied-natural-gas/)

Squeezing GIFs Into Even Tighter Spaces
https://hackaday.com/2022/12/21/squeezing-gifs-into-even-tighter-spaces/

Showing images on a TFT or OLED display with a small AVR microcontroller can be a challenge as it requires significant storage space. One solution is to compress the images, …read more (https://hackaday.com/2022/12/21/squeezing-gifs-into-even-tighter-spaces/)

Blood Pressure Monitoring, Courtesy of Cameras and AI
https://hackaday.com/2022/12/21/blood-pressure-monitoring-courtesy-of-cameras-and-ai/

At the basic level, methods of blood pressure monitoring have slowly changed in the last few decades. While most types of sphygmomanometer still rely on a Velcro cuff placed around …read more (https://hackaday.com/2022/12/21/blood-pressure-monitoring-courtesy-of-cameras-and-ai/)

2022 FPV Contest: The LOTP Robot Dog
https://hackaday.com/2022/12/21/2022-fpv-contest-the-lotp-robot-dog/