The holidays always remind us of our favorite toys from when we were kids. Johnny Astro, an Erector set, and — of course — a Spirograph. [CraftDiaries] has an Arduino …read more (https://hackaday.com/2021/12/10/arduino-drives-faux-spirograph/)

Controller Swaps Can Save an HDD If You Do It Right
https://hackaday.com/2021/12/11/controller-swaps-can-save-an-hdd-if-you-do-it-right/

Hard drives are fragile and reliable all at once. It’s entirely possible to have a hard drive fail, even if your data is still in perfect condition on the magnetic …read more (https://hackaday.com/2021/12/11/controller-swaps-can-save-an-hdd-if-you-do-it-right/)

Snip Your Way to DIY PCB Castellations
https://hackaday.com/2021/12/11/snip-your-way-to-diy-pcb-castellations/

Castellated PCB edges are kind of magical. The plated semicircular features are a way to make a solid, low-profile connection from one board to another, and the way solder flows …read more (https://hackaday.com/2021/12/11/snip-your-way-to-diy-pcb-castellations/)

Has DIY become Click and Buy?
https://hackaday.com/2021/12/11/has-diy-become-click-and-buy/

We are living in great times for DIY, although ironically some of that is because of all the steps that we don’t have to do ourselves. PCBs can be ordered …read more (https://hackaday.com/2021/12/11/has-diy-become-click-and-buy/)

Getting Familiar With Round Displays
https://hackaday.com/2021/12/11/getting-familiar-with-round-displays/

Once upon a time, maker projects were limited to using simple character displays or those salvaged from popular Nokias, largely due to cost. These days, a small OLED or LCD …read more (https://hackaday.com/2021/12/11/getting-familiar-with-round-displays/)

Vacuum Forming with 3D Printer Filament
https://hackaday.com/2021/12/11/vacuum-forming-with-3d-printer-filament/

Even if they don’t have one themselves, we’d wager the average Hackaday reader is at least vaguely aware of how a vacuum former works on a fundamental level. You heat …read more (https://hackaday.com/2021/12/11/vacuum-forming-with-3d-printer-filament/)

We All Live in a PVC Submarine
https://hackaday.com/2021/12/11/we-all-live-in-a-pvc-submarine/

We doubt you could really live in [Pena’s] PVC submarine, but now the song’s stuck in our head anyway. Although the post is in Portuguese, you can get a pretty …read more (https://hackaday.com/2021/12/11/we-all-live-in-a-pvc-submarine/)