The Arduino processes the data and then transmits it to a smart phone via a Bluetooth module. The whole circuit is powered ... case any one wants to copy his design.

recycling the most ubiquitous cellphone the year 2003 had to offer The watch itself runs off an Arduino board, and manages to fit a Bluetooth module and 3.7v battery into the 3D-printed watch case.

Just reverse the receive (Rx) and transmit (Tx) lines between your Arduino and Bluetooth module, and provide the proper input ... does things much differently. The interface design does not reside on ...

What's really neat about this kit, though, is that it comes with a Bluetooth LE module built into the battery ... users to plug in wires from an Arduino board or other controller.

The HID Relay takes the form of a small adapter that has been built using an Arduino Pro Mini, a Bluetooth module, a USB host shield together with a few other components. Check out the video below ...

Kyle Evans has grafted an Arduino Bluetooth module to his "didge" (as we say 'round the drum circle) and supplied a wireless mic to transmit audio to his laptop, where the sound is manipulated via ...

Arduino has not included active power consumption on its data sheet but, according to the uBlox datasheet, module consumption is 286mA (Wi-Fi Tx 802.11n HT20 16.5dBm 100% duty-cycle) or 220mA ...