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/

Tang FPGA boards are affordable, and [nand2mario] has been trying to get an x86 core running on one for a while. Looks like it finally worked out, as there is …read more (https://hackaday.com/2025/09/14/retro-x86-with-486tang/)

Hackaday Links: September 14, 2025
https://hackaday.com/2025/09/14/hackaday-links-september-14-2025/

Is it finally time to cue up the Bowie? Or was the NASA presser on Wednesday announcing new findings of potential Martian biosignatures from Perseverance just another in a long …read more (https://hackaday.com/2025/09/14/hackaday-links-september-14-2025/)

e-Waste and Waste Oil Combine to Make Silver
https://hackaday.com/2025/09/14/e-waste-and-waste-oil-combine-to-make-silver/

As the saying goes, “if it can’t be grown, it has to be mined”– but what about all the metals that have already been wrested from the bosom of the …read more (https://hackaday.com/2025/09/14/e-waste-and-waste-oil-combine-to-make-silver/)