The core of the watch is an Arduino Mini. To make it good for time telling, a real-time clock module was added. A DHT11 monitors the temperature and humidity. A charge circuit and lithium battery ...

Just when you thought you’d seen an Arduino do everything ... a low resistance path for the tiny currents to flow. The actual processing in [birdyberth’s] circuit is easy to follow.

Olympia, WA, April 29, 2013– Olympia Circuits introduces the Arno Shield to expand their line of products for new Arduino users. The Arno Shield contains all the components necessary to learn ...