FR4 is FR4, right? For a lot of PCB designs, the answer is yes — the particular characteristics of the substrate material don’t impact your design in any major way. …read more (https://hackaday.com/2025/02/25/pcb-dielectric-constant-measurements-three-ways/)

BlackBerry Keyboard Makes This Handheld Pi Stand Out
https://hackaday.com/2025/02/25/blackberry-keyboard-makes-this-handheld-pi-stand-out/

In the decade or more since small inexpensive Linux-capable single board computers such as the Raspberry Pi came to the mainstream, many a hardware hacker has turned their attention to …read more (https://hackaday.com/2025/02/25/blackberry-keyboard-makes-this-handheld-pi-stand-out/)

Tech In Plain Sight: Magsafe, and How To Roll Your Own
https://hackaday.com/2025/02/25/tech-in-plain-sight-magsafe-and-how-to-roll-your-own/

Apple likes magnets. They started out with magnetic laptop chargers and then graduated to a system that magnetically holds the phone, charges it, and can facilitate communication between the phone …read more (https://hackaday.com/2025/02/25/tech-in-plain-sight-magsafe-and-how-to-roll-your-own/)

Custom Frame Grabber Gets Vintage Kodak Digital Camera Back in the Game
https://hackaday.com/2025/02/25/custom-frame-grabber-gets-vintage-kodak-digital-camera-back-in-the-game/

What do you do with a four-megapixel monochrome digital camera from the 90s that needed a dedicated PC with a frame grabber card to do anything useful? Easy — you …read more (https://hackaday.com/2025/02/25/custom-frame-grabber-gets-vintage-kodak-digital-camera-back-in-the-game/)

We’re Hiring: Come Join Us!
https://hackaday.com/2025/02/25/were-hiring-come-join-us-7/

You wake up in the morning, and check Hackaday over breakfast. Then it’s off to work or school, where you’ve already had to explain the Jolly Wrencher to your shoulder-surfing …read more (https://hackaday.com/2025/02/25/were-hiring-come-join-us-7/)

Infill Injection Experiment Makes Stronger Parts
https://hackaday.com/2025/02/25/infill-injection-experiment-makes-stronger-parts/

[JanTec Engineering] was fascinated by the idea of using a 3D printer’s hot end to inject voids and channels in the infill with molten plastic, leading to stronger prints without …read more (https://hackaday.com/2025/02/25/infill-injection-experiment-makes-stronger-parts/)

Reverse-Engineering SKS Airspy Tire Pressure Sensors for Custom Firmware
https://hackaday.com/2025/02/25/reverse-engineering-sks-airspy-tire-pressure-sensors-for-custom-firmware/

Although a somewhat common feature on cars these days, tire pressure sensors (TPS) are also useful on bicycles. The SKS Airspy range of TPS products is one such example, which …read more (https://hackaday.com/2025/02/25/reverse-engineering-sks-airspy-tire-pressure-sensors-for-custom-firmware/)

Taking Cues From a Gramophone To Make a Better Marble Music Machine
https://hackaday.com/2025/02/25/taking-cues-from-a-gramophone-to-make-a-better-marble-music-machine/