Everyone loves a full-wave bridge rectifier, but there’s no denying that they aren’t 100% efficient due to the diode voltage drop. Which isn’t to say that with some effort we …read more (https://hackaday.com/2025/12/27/active-ideal-full-bridge-rectifier-using-tea2208t/)

Playing DOOM on a Receipt Printer
https://hackaday.com/2025/12/27/playing-doom-on-a-receipt-printer/

Gaming is a wonderful thing. Unfortunately for many of us, work takes up our valuable time, which should be allocated to our gaming. What if there was a better way? …read more (https://hackaday.com/2025/12/27/playing-doom-on-a-receipt-printer/)

Building Beautiful LED Lanterns With Black LED Acrylic
https://hackaday.com/2025/12/27/building-beautiful-led-lanterns-with-black-led-acrylic/

[Geeksmithing] and [When Geeks Craft] recently came together for a glowing collaboration. They wanted to build ever more attractive lanterns for a local parade event. They recently discovered a fantastic …read more (https://hackaday.com/2025/12/27/building-beautiful-led-lanterns-with-black-led-acrylic/)

Seeing Sound for Under $200
https://hackaday.com/2025/12/27/seeing-sound-for-under-200/

There are five general senses: touch for feels, taste for food, smell for avoiding trash, hearing for sounds, and, of course, eyesight for visualizing the very waves making up that …read more (https://hackaday.com/2025/12/27/seeing-sound-for-under-200/)

What to do When Your Foucault Pendulum Stops Swinging
https://hackaday.com/2025/12/27/what-to-do-when-your-foucault-pendulum-stops-swinging/

At the Houston Museum of Natural Science they recently made a disturbing discovery: their Foucault pendulum had stopped swinging for the first time since its installation in the 1970s. (Video, …read more (https://hackaday.com/2025/12/27/what-to-do-when-your-foucault-pendulum-stops-swinging/)