Android automatic open electric door with QR code scan

This simple tutorial, show you, how to make a simple electric door opener.

No buttons needed.
When you open the app, the phone automatic connect to your arduino via bluetooth,
and scanning the QR code, then open the door for 3 sec, and app closing, disconnect from arduino.

Arduino code in video description.

Part list:
- Arduino nano v3
- HC-06 Bt module
- Relay modul (1 channel)
- Electrick lock (there is 2 type, im use which need power to open)

Thank you..

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