A major challenge for people who have a form of diabetes is the need to regulate the glucose levels in their body. Normally this is where the body’s insulin-producing cells …read more (https://hackaday.com/2023/12/27/an-insulin-injection-that-lasts-for-days-a-new-hope-for-diabetics/)

A High-End Studio Multiplexer Surrenders To An Arduino
https://hackaday.com/2023/12/27/a-high-end-studio-multiplexer-surrenders-to-an-arduino/

The equipment used in professional radio and TV studios is both extremely high quality and very expensive indeed, and thus out of the reach of an experimenter. Happily as studios …read more (https://hackaday.com/2023/12/27/a-high-end-studio-multiplexer-surrenders-to-an-arduino/)

A Guide For Heat-Treating Steel at Home
https://hackaday.com/2023/12/28/a-guide-for-heat-treating-steel-at-home/

A lot of colloquial words that we might use when describing something’s durability take on extremely specific meanings when a materials scientist or blacksmith uses them. Things like “strength”, “toughness”, …read more (https://hackaday.com/2023/12/28/a-guide-for-heat-treating-steel-at-home/)

CoreXY on the Pi Pico
https://hackaday.com/2023/12/28/corexy-on-the-pi-pico/

There are enough off-the-shelf CoreXY mechanisms out there that for the cost of an AliExpress order it’s possible to quickly and cheaply make yourself a plotter. But [Koushani Das], [Mahathi …read more (https://hackaday.com/2023/12/28/corexy-on-the-pi-pico/)

Keeping Watch Over the Oceans with Data Buoys
https://hackaday.com/2023/12/28/keeping-watch-over-the-oceans-with-data-buoys/

When viewed from just the right position in space, you’d be hard-pressed to think that our home planet is anything but a water world. And in all the ways that …read more (https://hackaday.com/2023/12/28/keeping-watch-over-the-oceans-with-data-buoys/)

Unbricking Trains, Uncovering Shady Behavior
https://hackaday.com/2023/12/28/unbricking-trains-uncovering-shady-behavior/

The first clue was that a number of locomotives started malfunctioning with exactly 1,000,000 km on the odometer. And when the company with the contract for servicing them couldn’t figure …read more (https://hackaday.com/2023/12/28/unbricking-trains-uncovering-shady-behavior/)

Linux Fu: Preprocessing Beyond Code
https://hackaday.com/2023/12/28/linux-fu-preprocessing-beyond-code/

If you glanced at the title and thought, “I don’t care — I don’t write C code,” then hang on a minute. While it is true that C has a …read more (https://hackaday.com/2023/12/28/linux-fu-preprocessing-beyond-code/)

Raspberry Pi Does its Best Retro PC Impression
https://hackaday.com/2023/12/28/raspberry-pi-does-its-best-retro-pc-impression/