https://www.youtube.com/watch?v=Orf9segRLv0
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/11/Snap-2021-11-30-at-17.58.33-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/11/Snap-2021-11-30-at-17.58.33-featured.png?w=800">Supercapacitors are definitely not the same as batteries, we all know that. They tend to have a very low operating voltage, and due to their operating principle of storing charge …read more (https://hackaday.com/2021/12/01/supercapacitors-vs-batteries-again/)

Don’t Walk Past This 3D Printed Pedestrian Crossing Light
https://hackaday.com/2021/12/01/dont-walk-past-this-3d-printed-pedestrian-crossing-light/

There’s just something so pleasing about scaled-down electronic replicas, and this adorable 3D printed pedestrian crossing light by [sjm4306] is no exception. Although a little smaller than its real-world counterpart, …read more (https://hackaday.com/2021/12/01/dont-walk-past-this-3d-printed-pedestrian-crossing-light/)

Listening to the Sounds of an 1960s Military Computer
https://hackaday.com/2021/12/01/listening-to-the-sounds-of-an-1960s-military-computer/

Restoring vintage computers is the favorite task of many hardware hackers. Retrocomputing probably makes you think of home computer brands like Commodore, Amiga, or Apple but [Erik Baigar] is deeply …read more (https://hackaday.com/2021/12/01/listening-to-the-sounds-of-an-1960s-military-computer/)

Two Mars Orbiters Chatted for Atmospheric Science
https://hackaday.com/2021/12/02/two-mars-orbiters-chatted-for-atmospheric-science/

Mission extensions for interplanetary robot explorers are usually continuations of their primary mission. But sometimes the hardware already on board are put to novel uses. European Space Agency has started …read more (https://hackaday.com/2021/12/02/two-mars-orbiters-chatted-for-atmospheric-science/)

Play Doom or GTA V With Your Own Custom Controller and Xbox Emulator
https://hackaday.com/2021/12/02/play-doom-or-gta-v-with-your-own-custom-controller-and-xbox-emulator/

[Arnov] is bringing his own custom-made controller to the party and it is sure to impress. The design appears to have been inspired by the Xbox controller layout. Two joysticks …read more (https://hackaday.com/2021/12/02/play-doom-or-gta-v-with-your-own-custom-controller-and-xbox-emulator/)

Keebin’ with Kristina: the One With the Cat Keyboard
https://hackaday.com/2021/12/02/keebin-with-kristina-the-one-with-the-cat-keyboard/

Special thanks to [Maarten], who stumbled upon this old gem of a geekhack thread by [suka]. It’s essentially a show and tell of their DIY keyboard journey, complete with pictures. …read more (https://hackaday.com/2021/12/02/keebin-with-kristina-the-one-with-the-cat-keyboard/)

Low Buck PVC ROV IS Definitely a MVP
https://hackaday.com/2021/12/02/low-buck-pvc-rov-is-definitely-a-mvp/

Do you have a hundred bucks and some time to kill? [Peter Sripol] invites you to come along with him and build a remotely operated submarine with only the most basic, …read more (https://hackaday.com/2021/12/02/low-buck-pvc-rov-is-definitely-a-mvp/)

Motorsports Are Turning To Alternative Fuels
https://hackaday.com/2021/12/02/motorsports-are-turning-to-alternative-fuels/