One File, Six Formats: Just Change The Extension
https://hackaday.com/2025/08/08/one-file-six-formats-just-change-the-extension/

Normally, if you change a file’s extension in Windows, it doesn’t do anything positive. It just makes the file open in the wrong programs that can’t decode what’s inside. However, …read more (https://hackaday.com/2025/08/08/one-file-six-formats-just-change-the-extension/)

Learn C with a Lisp
https://hackaday.com/2025/08/09/learn-c-with-a-lisp/

One reason Forth remains popular is that it is very simple to create, but also very powerful. But there’s an even older language that can make the same claim: LISP. …read more (https://hackaday.com/2025/08/09/learn-c-with-a-lisp/)

3D Printing a Giant Beyblade Arena
https://hackaday.com/2025/08/09/3d-printing-a-giant-beyblade-arena/

Beyblade spinning tops are pretty easy to find at toy shops, department stores, and even some supermarkets. However, the arenas in which the tops do battle? They’re much harder to come …read more (https://hackaday.com/2025/08/09/3d-printing-a-giant-beyblade-arena/)

A Love Letter to Prototype Zero
https://hackaday.com/2025/08/09/a-love-letter-to-prototype-zero/

An old friend of mine at my hackerspace introduced me to the concept of Prototype Zero: The Version that Even Your Own Sweet Mother Isn’t Allowed to See. The idea …read more (https://hackaday.com/2025/08/09/a-love-letter-to-prototype-zero/)

The Kilopixel Display
https://hackaday.com/2025/08/09/the-kilopixel-display/

Despite the availability of ready-made displays never being better, there are still some hardy experimenters who take on the challenge of making their own. In [Ben Holmen]’s case the display …read more (https://hackaday.com/2025/08/09/the-kilopixel-display/)

2025 One Hertz Challenge: Estimating Pi With An Arduino Nano R4
https://hackaday.com/2025/08/09/2025-one-hertz-challenge-estimating-pi-with-an-arduino-nano-r4/

Humanity pretty much has Pi figured out at this point. We’ve calculated it many times over and are confident about what it is down to many, many decimal places. However, …read more (https://hackaday.com/2025/08/09/2025-one-hertz-challenge-estimating-pi-with-an-arduino-nano-r4/)

Desk Top Peltier-Powered Cloud Chamber Uses Desktop Parts
https://hackaday.com/2025/08/09/desk-top-peltier-powered-cloud-chamber-uses-desktop-parts/