Over on YouTube our hacker [VIP Love Secretary] shows us how to make a simple MOSFET tester. This is a really neat, useful, elegant, and simple hack, but the video …read more (https://hackaday.com/2025/09/13/how-to-make-a-simple-mosfet-tester/)

Aussie Researchers Say They Can Bring The Iron Age to Mars
https://hackaday.com/2025/09/13/aussie-researchers-say-they-can-bring-the-iron-age-to-mars/

Every school child can tell you these days that Mars is red because it’s rusty. The silicate rock of the martian crust and regolith is very rich in iron oxide. …read more (https://hackaday.com/2025/09/13/aussie-researchers-say-they-can-bring-the-iron-age-to-mars/)

3D Modeling with Paper as an Alternative to 3D printing
https://hackaday.com/2025/09/13/3d-modeling-with-paper-as-an-alternative-to-3d-printing/

Although these days it would seem that everyone and their pets are running 3D printers to churn out all the models and gadgets that their hearts desire, a more traditional …read more (https://hackaday.com/2025/09/13/3d-modeling-with-paper-as-an-alternative-to-3d-printing/)

From Paper to Pixels: A DIY Digital Barograph
https://hackaday.com/2025/09/14/from-paper-to-pixels-a-diy-digital-barograph/

A barograph is a device that graphs a barometer’s readings over time, revealing trends that can predict whether stormy weather is approaching or sunny skies are on the way. This …read more (https://hackaday.com/2025/09/14/from-paper-to-pixels-a-diy-digital-barograph/)

Reverse-Engineering the Milwaukee M18 Diagnostics Protocol
https://hackaday.com/2025/09/14/reverse-engineering-the-milwaukee-m18-diagnostics-protocol/

https://www.youtube.com/watch?v=tHj0-Gzvbeo
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2025/09/milwaukee_m18_connection_bits_tool_scientist_youtube.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/09/milwaukee_m18_connection_bits_tool_scientist_youtube.jpg?w=800">As is regrettably typical in the cordless tool world, Milwaukee’s M18 batteries are highly proprietary. Consequently, this makes them a welcome target for reverse-engineering of their interfaces and protocols. Most …read more (https://hackaday.com/2025/09/14/reverse-engineering-the-milwaukee-m18-diagnostics-protocol/)

This board helps you prototype circuits with tubes
https://hackaday.com/2025/09/14/this-board-helps-you-prototype-circuits-with-tubes/

There you are at the surplus store, staring into the bin of faded orange, yellow, red, and black, boxes–a treasure trove of vintage vacuum tubes—dreaming about building a tube amp …read more (https://hackaday.com/2025/09/14/this-board-helps-you-prototype-circuits-with-tubes/)

Reverse-Engineering Aleratec CD Changers for Archival Use
https://hackaday.com/2025/09/14/reverse-engineering-aleratec-cd-changers-for-archival-use/

Handling large volumes of physical media can be a bit of a chore, whether it’s about duplication or archiving. Fortunately this is a perfect excuse for building robotic contraptions, with …read more (https://hackaday.com/2025/09/14/reverse-engineering-aleratec-cd-changers-for-archival-use/)

Retro x86 with 486Tang
https://hackaday.com/2025/09/14/retro-x86-with-486tang/