Layer adhesion is one of the weak points with FDM 3D printing, with annealing often recommended as a post-processing step. An interestingly creative method for this was published in Science Advances …read more (https://hackaday.com/2025/02/01/using-microwave-heating-to-locally-anneal-cnt-coated-fdm-prints/)

Inside a Vintage Oven Controlled Crystal Oscillator
https://hackaday.com/2025/02/01/inside-a-vintage-oven-controlled-crystal-oscillator/

Crystal oscillators are incredibly useful components, but they come with one little snag: their oscillation is temperature-dependent. For many applications the relatively small deviation is not a problem, but especially …read more (https://hackaday.com/2025/02/01/inside-a-vintage-oven-controlled-crystal-oscillator/)

Tiny RC Four-Wheeler Gets Chassis Upgrade For More Traction
https://hackaday.com/2025/02/02/tiny-rc-four-wheeler-gets-chassis-upgrade-for-more-traction/

[Azpaca] purchased a fun little toy car from Tamiya, only… there was a problem. The little off-roader wasn’t up to scratch—despite its four-wheel-drive, it couldn’t get over rough ground to …read more (https://hackaday.com/2025/02/02/tiny-rc-four-wheeler-gets-chassis-upgrade-for-more-traction/)

Custom Smartwatch Makes Diabetes Monitoring Easier for Kids
https://hackaday.com/2025/02/02/custom-smartwatch-makes-diabetes-monitoring-easier-for-kids/

Living with Type 1 diabetes is a numbers game. There’s not a moment in the day free from the burden of tracking your blood glucose concentration, making “What’s your number?” …read more (https://hackaday.com/2025/02/02/custom-smartwatch-makes-diabetes-monitoring-easier-for-kids/)

Wearable Tech Tips Directly From the Queen
https://hackaday.com/2025/02/02/wearable-tech-tips-directly-from-the-queen/

What’s the only thing cooler than building something electronic? That’s right — wearing it proudly for all to see. But maybe you’re not into wearables. Maybe it’s because you’re afraid …read more (https://hackaday.com/2025/02/02/wearable-tech-tips-directly-from-the-queen/)

Giving a Proprietary Power Supply the Boot
https://hackaday.com/2025/02/02/giving-a-proprietary-power-supply-the-boot/

You’ve probably noticed that everywhere you go — the doctor’s office, hotels, or retail shops, there are tiny PCs everywhere. These small PCs often show up on the surplus market …read more (https://hackaday.com/2025/02/02/giving-a-proprietary-power-supply-the-boot/)

Is Fire Conductive Enough To Power a Lamp?
https://hackaday.com/2025/02/02/is-fire-conductive-enough-to-power-a-lamp/

Is fire conductive? As ridiculous that may sound at first glance, from a physics perspective the rapid oxidation process we call ‘fire’ produces a lot of substances that can reduce …read more (https://hackaday.com/2025/02/02/is-fire-conductive-enough-to-power-a-lamp/)

Hackaday Links: February 2, 2025
https://hackaday.com/2025/02/02/hackaday-links-february-2-2025/