3-Axis digital compass module with bluetooth4 communication

3-Axis digital compass module with bluetooth4 communication show data to mobile phone

1. Wiring 3-Axis Digital Compass Module (HMC5883L) GY-273 to Arduino Uno for I2C wiring.

2. Wiring HM-10 Bluetooth to Arduino Uno for Software Serial.

3. Coding from my source code and burn it.

4. Connect bluetooth with your phone

iOS 175x175bb.jpg https://itunes.apple.com/us/app/hm10-bluetooth-serial-lite/id1030454675?mt=8
Android AbetXwdJedOHxn6Ril63z2nzff2fLmmM7EJN-McUujbAaMZclgiXN34OmQJBKxeqyHM=w300 https://play.google.com/store/apps/details?id=com.electrotoolbox.bluetoothterminal