Introduction: GSM Based Door Lock

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Hello Friends, In this Project, we will make door lock system which controlled with mobile phone. we simply send SMS to this System, it lock and unlock door. you can change SMS which lock and unlock door from code.

Supplies

For making this project, I am Using:-

1. Arduino Nano..................... https://amzn.to/3zAf7qm

2. SIM800L............................. https://amzn.to/3G4hBQf

3. 3.7 volt Battery................... https://amzn.to/3G4hBQf

4. Jumper Wires..................... https://amzn.to/3G4hBQf

5. Screws................................ https://amzn.to/3G4hBQf

6. Car Door Lock Activator..... https://amzn.to/3G4hBQf

7. Motor Driver L298l............. https://amzn.to/3G4hBQf

8. Card Board.......................... https://amzn.to/3G4hBQf

Step 1: Connect Motor Driver to Arduino Nano

Step 2: Connect SIM800L to Arduino Nano

Step 3: