Over on his YouTube channel [Tom Stanton] shows us how to build a Stirling Engine for a bike. A Stirling Engine is a heat engine, powered by the expansion and …read more (https://hackaday.com/2025/07/17/building-a-stirling-engine-bike/)

ESP32 Plugs In to Real-Time Crypto Prices
https://hackaday.com/2025/07/17/esp32-plugs-in-to-real-time-crypto-prices/

In today’s high-speed information overload environment, we often find ourselves with too much data to take in at once, causing us to occasionally miss out on opportunities otherwise drowned out …read more (https://hackaday.com/2025/07/17/esp32-plugs-in-to-real-time-crypto-prices/)

8-Core ARM Pocket Computer Runs NixOS
https://hackaday.com/2025/07/17/8-core-arm-pocket-computer-runs-nixos/

What has 8 ARM cores, 8 GB of RAM, fits in a pocket, and runs NixOS? It’s no pi-clone SBC, but [MWLabs]’s smartphone– a OnePlus 6, to be precise. The …read more (https://hackaday.com/2025/07/17/8-core-arm-pocket-computer-runs-nixos/)

Improve Your KiCad Productivity With These Considered Shortcut Keys
https://hackaday.com/2025/07/17/improve-your-kicad-productivity-with-these-considered-shortcut-keys/

[Pat Deegan] from Psychogenic Technologies shows us two KiCad tips to save a million clicks, and he made a video to support it, embedded below. In the same way that …read more (https://hackaday.com/2025/07/17/improve-your-kicad-productivity-with-these-considered-shortcut-keys/)

MR Browser is the Package Manager Classic Macs Never Had
https://hackaday.com/2025/07/18/mr-browser-is-the-package-manager-classic-macs-never-had/

Homebrew bills itself as the package manager MacOS never had (conveniently ignoring MacPorts) but they leave the PPC crowd criminally under-served, to say nothing of the 68k gang. Enter [that-ben] …read more (https://hackaday.com/2025/07/18/mr-browser-is-the-package-manager-classic-macs-never-had/)

A Vulnerable Simulator for Drone Penetration Testing
https://hackaday.com/2025/07/18/a-vulnerable-simulator-for-drone-penetration-testing/

The old saying that the best way to learn is by doing holds as true for penetration testing as for anything else, which is why intentionally vulnerable systems like the …read more (https://hackaday.com/2025/07/18/a-vulnerable-simulator-for-drone-penetration-testing/)

This Week in Security: Trains, Fake Homebrew, and AI Auto-Hacking
https://hackaday.com/2025/07/18/this-week-in-security-trains-fake-homebrew-and-ai-auto-hacking/

There’s a train vulnerability making the rounds this week. The research comes from [midwestneil], who first discovered an issue way back in 2012, and tried to raise the alarm. Turns …read more (https://hackaday.com/2025/07/18/this-week-in-security-trains-fake-homebrew-and-ai-auto-hacking/)

Unlocking the Potential of a No-Name Handheld Game
https://hackaday.com/2025/07/18/unlocking-the-potential-of-a-no-name-handheld-game/