An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a …read more (https://hackaday.com/2025/12/09/led-hourglass-is-a-great-learning-project/)

The EFF Nails It: What’s Wrong With UK Digital ID
https://hackaday.com/2025/12/09/the-eff-nails-it-whats-wrong-with-uk-digital-id/

It sometimes seems as though we are in a constant tussle over privacy between governments and the governed, with each year bringing fresh attempts to extend surveillance, and consequent battles. …read more (https://hackaday.com/2025/12/09/the-eff-nails-it-whats-wrong-with-uk-digital-id/)

PCB Design Review: TinySparrow, A Module For CAN Hacking, v2
https://hackaday.com/2025/12/09/pcb-design-review-tinysparrow-a-module-for-can-hacking-v2/

A year ago, I’ve design reviewed an MCU module for CAN hacking, called TinySparrow. Modules are plenty cool, and even more so when they’re intended for remaking car ECUs. For …read more (https://hackaday.com/2025/12/09/pcb-design-review-tinysparrow-a-module-for-can-hacking-v2/)

Super Simple Deadbuggable Bluetooth Chip
https://hackaday.com/2025/12/09/super-simple-deadbuggable-bluetooth-chip/

We’re all used to Bluetooth chips coming in QFN and BGA formats, at a minimum of 30-40 pins, sometimes even a hundred. What about ten pins, with 1.27 mm pitch? …read more (https://hackaday.com/2025/12/09/super-simple-deadbuggable-bluetooth-chip/)

Keebin’ with Kristina: the One with the C64 Keyboard
https://hackaday.com/2025/12/09/keebin-with-kristina-the-one-with-the-c64-keyboard/

[Jean] wrote into the tips line (the system works!) to let all of us know about his hacked and hand-wired C64 keyboard, a thing of beauty in its chocolate-brown and …read more (https://hackaday.com/2025/12/09/keebin-with-kristina-the-one-with-the-c64-keyboard/)

A Deep Drive Deep Dive Into a Twin-Rotor Motor
https://hackaday.com/2025/12/09/a-deep-drive-deep-dive-into-a-twin-rotor-motor/

Compromise is key to keeping a team humming along. Say one person wants an inrunner electric motor, and the other prefers outrunner. What to do? Well, if you work at …read more (https://hackaday.com/2025/12/09/a-deep-drive-deep-dive-into-a-twin-rotor-motor/)

G4 iMac Becomes a Monitor with a MagSafe Secret
https://hackaday.com/2025/12/09/g4-imac-becomes-a-monitor-with-a-magsafe-secret/

The G4 iMac is one of the more popular computers in the restomodding scene given its charm and unparalleled ergonomics. Most modern machines that people squeeze in don’t have a …read more (https://hackaday.com/2025/12/09/g4-imac-becomes-a-monitor-with-a-magsafe-secret/)

Making Glasses That Detect Smartglasses
https://hackaday.com/2025/12/09/making-glasses-that-detect-smartglasses/