These are some great DIY projects that you can do for cheap.

Got a spare PC? How I turned mine into an open-source smart home hub for free ...

Learn how to repurpose your spare ESP32 boards into cost-effective presence detection sensors using the Tommy Sense ...

Continuing the build of a single propeller drone using Arduino. Follow the next steps, improvements, and challenges as this ...

New laws in California and New York might stop anyone from 3D printing guns — and create entirely new kinds of surveillance.

I n “Brazil”, Terry Gilliam’s film about a dystopian society, eyeball-shaped surveillance bots hover over citizens’ shoulders ...