During a recent trip to Bhutan, [electronut] wished for a device that would show the temperature and altitude at the various places he visited in the Kingdom. Back home after his trip, he built this ...

How long can you keep an Arduino circuit running on three AA batteries? With careful design, [educ8s] built a temperature sensor that lasts well over a year on a single charge of three 2250 mAH ...

ZALMAN's CNPS13X DS BLACK side-flow CPU cooler, equipped with an LCD temperature display, offers impressive technical features. The cooler's top cover houses an LCD screen that provides real-time CPU ...