Springs and Things Make for a Unique Timepiece
https://hackaday.com/2025/01/10/springs-and-things-make-for-a-unique-timepiece/

You never know when inspiration is going to strike, and for [Ekaggrat Singh Kalsi], it struck while he was playing with one of his daughter’s hair ties. The result is …read more (https://hackaday.com/2025/01/10/springs-and-things-make-for-a-unique-timepiece/)

The Engineer Behind Mine Detection
https://hackaday.com/2025/01/10/the-engineer-behind-mine-detection/

According to [Joanna Goodrich]  in IEEE Spectrum, prior to World War II, soldiers who wanted to find land mines, simply poked at the ground with pointed sticks or bayonets. As …read more (https://hackaday.com/2025/01/10/the-engineer-behind-mine-detection/)

AA Battery Performances Tested, So Get The Most For Your Money
https://hackaday.com/2025/01/10/aa-battery-performances-tested-so-get-the-most-for-your-money/

[Project Farm] has a video in which a wide variety of AA cells are analyzed and compared in terms of capacity, internal resistance, ability to deliver voltage under load, and …read more (https://hackaday.com/2025/01/10/aa-battery-performances-tested-so-get-the-most-for-your-money/)

Tactility; The ESP32 Gets Another OS
https://hackaday.com/2025/01/11/tactility-the-esp32-gets-another-os/

Doing the rounds this week is a new operating system for ESP32 microcontrollers, it’s called Tactility, and it comes from [Ken Van Hoeylandt]. It provides a basic operating system level …read more (https://hackaday.com/2025/01/11/tactility-the-esp32-gets-another-os/)

Embedding Lenticular Lenses Into 3D Prints
https://hackaday.com/2025/01/11/embedding-lenticular-lenses-into-3d-prints/

A research project shows that it’s possible to create complex single-piece lenticular objects, or objects that have lenticular lenses built directly into them. The result is a thing whose appearance …read more (https://hackaday.com/2025/01/11/embedding-lenticular-lenses-into-3d-prints/)

Comparing Ways to Add Threads to Your 3D Prints
https://hackaday.com/2025/01/11/comparing-ways-to-add-threads-to-your-3d-prints/

Adding threads to your 3D prints is a life-changing feature, but obviously there are a lot of trade-offs and considerations when deciding on how to go about this exactly. Between …read more (https://hackaday.com/2025/01/11/comparing-ways-to-add-threads-to-your-3d-prints/)

In Praise of Simple Projects
https://hackaday.com/2025/01/11/in-praise-of-simple-projects-2/