Add $4 WiFi Logging to IKEA’s $12 Air Quality Sensor (Wemos and Vindriktning)(hackaday.com)108 points by ck2 3 years ago | 29 comments
Solar Chimneys: Viable Energy Solution or a Lot of Hot Air?(hackaday.com)30 points by lxm 2 years ago | 33 comments
New motherboard improves old CRT television(hackaday.com)159 points by rbanffy 3 years ago | 58 comments