In this quick Arduino tutorial I will explain how you can control a relay using the Arduino Board, one 1K and one 10K resistors, 1 BC547 transistor, one 6V or 12V relay, one 1N4007 diode and a 12V fan ...

At points I might do something that might be dangerous because I'm comfortable with some tools or techniques but please always use your common sense and don't try everything you see here.

Arduino is a great way for today’s novices to start to learn how to write and run codes that interact with the external world. Somebody on Facebook recently asked about finding an easy-to-use shield ...

[Charles] isn’t quite at the level of sending SMS from his confabulation, and even following a tutorial from ... a Nokia 3100 as a cheap Arduino cellular shield: it’s only 2G, and sometime ...

The Arduino has been used for many purposes, and “shields” are available to make many common tasks easier. However, [Nick] wanted a stackable motor driver shield, so he build one himself!.

Electronics enthusiasts looking to control any normal outlet or high-voltage product from anywhere may be interested in the new Relay Shield for Photon, which is now available to purchase directly ...

In conjunction with Arduino, Telefónica is presenting a new version of the Arduino GSM/GPRS Shield project at the Campus Party in Berlin. The project added a GPRS/GSM connection to a free ...