Looking for the perfect winter desk accessory? [Wq] has created a beautiful coaster made out of PCBs that can keep your drink warm with an internal heater. (Chinese). An ESP8266 sits as the main ...

We love timepiece projects round these parts, so here we are with another unusual 7-segment clock design. Hackaday’s own [Moritz Sivers] wasn’t completely satisfied with his last thermochromic clock, ...