In this quick Arduino tutorial I will explain how you can control ... on pin 2. This voltage is used to drive the transistor that will switch ON the relay and the load (in our case the fan) will be ...

One of the most convenient control methods is to send and receive commands using ... relay serial information from your smart device to the dev board and vice versa. Just reverse the receive (Rx) and ...

and home automation applications that control LED lighting. It could also allow devices programmed with Arduino "sketches" to interact with each other over Bluetooth 4.0—potentially allowing for ...

[Bill2009] has made some nice progress on a control panel for his motorcycle over at the arduino.cc forums ... all off he can monitor the data via a Bluetooth module attached to the board ...