Over the years, there have been several memory and display technologies that served a particular niche for a while, only to be replaced and forgotten when a more suitable technology …read more (https://hackaday.com/2022/12/05/dekatron-clock-tells-the-time-sans-semiconductors/)

Trash Bag And Foam Board Hovercraft Doesn’t Fail To Succeed. Or Fail.
https://hackaday.com/2022/12/05/trash-bag-and-foam-board-hovercraft-doesnt-fail-to-succeed-or-fail/

When you think of a vehicle that can do it all- water, land, ice, snow and more- the hovercraft often comes to mind. And while they might not be ubiquitous, …read more (https://hackaday.com/2022/12/05/trash-bag-and-foam-board-hovercraft-doesnt-fail-to-succeed-or-fail/)

Epic Guide to Bare-Metal STM32 Programming
https://hackaday.com/2022/12/05/epic-guide-to-bare-metal-stm32-programming/

[Sergey Lyubka] put together this epic guide for bare-metal microcontroller programming.  While the general concepts should be applicable to most any microcontroller, Sergey’s examples specifically relate to the Nucleo-F429ZI development …read more (https://hackaday.com/2022/12/05/epic-guide-to-bare-metal-stm32-programming/)

Radial Vector Reducer Rotates At Really Relaxed Velocity
https://hackaday.com/2022/12/05/radial-vector-reducer-rotates-at-really-relaxed-velocity/

When [Michael Rechtin] learned about Radial Vector Reducers, the underlying research math made his head spin, albeit very slowly. Realizing that it’s essentially a cycloidal drive meshed with a planetary …read more (https://hackaday.com/2022/12/05/radial-vector-reducer-rotates-at-really-relaxed-velocity/)

Rotary Dial Number Pad is the Perfect Prank for Retro-Phone Enthusiast
https://hackaday.com/2022/12/05/rotary-dial-number-pad-is-the-perfect-prank-for-retro-phone-enthusiast/

We’re not sure about the rest of you, but to us, a keyboard without a number pad all the way over to the right just seems kind of — naked? …read more (https://hackaday.com/2022/12/05/rotary-dial-number-pad-is-the-perfect-prank-for-retro-phone-enthusiast/)

Homebrew 3D Printer Goop Promises Better Bed Adhesion
https://hackaday.com/2022/12/06/homebrew-3d-printer-goop-promises-better-bed-adhesion/

Back when 3D printers were pretty new, most of us had glass beds with or without painter’s tape. To make plastic stick, you’d either use a glue stick or hair …read more (https://hackaday.com/2022/12/06/homebrew-3d-printer-goop-promises-better-bed-adhesion/)

Clever Design Technique Makes Flexible PCB Fit for a Queen
https://hackaday.com/2022/12/06/clever-design-technique-makes-flexible-pcb-fit-for-a-queen/

Printed circuit boards can be square, round, octagonal, or whatever shape you desire. But there’s little choice when it comes to the third dimension: most PCBs are flat and rigid. …read more (https://hackaday.com/2022/12/06/clever-design-technique-makes-flexible-pcb-fit-for-a-queen/)