We’ve often thought that 3D printers make excellent school projects. No matter what a student’s interests are: art, software, electronics, robotics, chemistry, or physics, there’s something for everyone. A recent …read more (https://hackaday.com/2025/10/25/teaching-math-with-3d-printers/)
Identifying Fake Small-Signal Transistors
https://hackaday.com/2025/10/25/identifying-fake-small-signal-transistors/
https://hackaday.com/2025/10/25/identifying-fake-small-signal-transistors/
It’s rather amazing how many electronic components you can buy right now are not quite the genuine parts that they are sold as. Outside of dedicated platforms like Mouser, Digikey …read more (https://hackaday.com/2025/10/25/identifying-fake-small-signal-transistors/)
It’s just about all we can think about over here: the week leading up to the 2025 Superconference. From what we hear, it’s all-hands-on over in Pasadena right now, as …read more (https://hackaday.com/2025/10/25/get-ready-for-supercon/)
Relay Computer Knows the Sequence
https://hackaday.com/2025/10/25/relay-computer-knows-the-sequence/
https://hackaday.com/2025/10/25/relay-computer-knows-the-sequence/
When we first saw [DiPDoT’s] homebrew computer, we thought it was an Altair 8800. But, no. While it has a very familiar front panel, the working parts are all based …read more (https://hackaday.com/2025/10/25/relay-computer-knows-the-sequence/)
Thermite Pottery Fires Itself
https://hackaday.com/2025/10/25/thermite-pottery-fires-itself/
https://hackaday.com/2025/10/25/thermite-pottery-fires-itself/
Finely powdered aluminium can make almost anything more pyrotechnically interesting, from fireworks to machine shop cleanups – even ceramics, as [Degree of Freedom] discovered. He was experimenting with mixing aluminium …read more (https://hackaday.com/2025/10/25/thermite-pottery-fires-itself/)
What if Tinkercad was Self-Hosted?
https://hackaday.com/2025/10/25/what-if-tinkercad-was-self-hosted/
https://hackaday.com/2025/10/25/what-if-tinkercad-was-self-hosted/
While we use a lot of CAD tools, many of us are fans of Tinkercad — especially for working with kids or just doing something quick. But many people dislike …read more (https://hackaday.com/2025/10/25/what-if-tinkercad-was-self-hosted/)
A Simple $25 Robot Based on the ESP32
https://hackaday.com/2025/10/25/a-simple-25-robot-based-on-the-esp32/
https://hackaday.com/2025/10/25/a-simple-25-robot-based-on-the-esp32/
[Paul McCabe] wrote in to let us know about his $25 robot. This small wheeled robot is based on an ESP32 and made using cardboard and hot glue. You drive …read more (https://hackaday.com/2025/10/25/a-simple-25-robot-based-on-the-esp32/)
A Nuclear Physics Lab in your Pocket
https://hackaday.com/2025/10/25/a-nuclear-physics-lab-in-your-pocket/
https://hackaday.com/2025/10/25/a-nuclear-physics-lab-in-your-pocket/