Hackaday

Reverse Engineering And Self-Hosting The OBI Smart Energy Tracker

Sold by German DIY store OBI, the OBI Energy Tracker is a €15 set of two devices, one of which you essentially stick on top ...
XDA Developers on MSN

6 smart home devices anyone can build with a cheap ESP32 and an even cheaper sensor

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

Brazilian cities are building vast surveillance networks

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

LED Hacks

If you want to get around Monaco, a map — digital or otherwise — is probably the best way to navigate. But if you just want to appreciate the city’s form in a more artistic way, you might enjoy ...