Use this to send data from your phone to other devices through bluetooth.

Tested with: Arduino Uno R3 + module bluetooth HC06

NOTE: You have to pair your modules/devices with your phone first!

Tutorial: https://www.youtube.com/watch?v=hcRSkKvne18

Example here: https://goo.gl/xjXr2G

More at: http://www.hoangvancong.com/