CELL PHONE BASED DTMF CONTROLLED GARAGE DOOR OPENING SYSTEM.

1. CELL PHONE BASED DTMF CONTROLLED GARAGE DOOR OPENING SYSTEM. Prepared By: Fatima Dmaidi. Majd Darweesh. Noor Salman. SUPERVISOR: Dr.Kamel Subhi.

2. OUTLINES : • Introduction. • Overview. • Design. • Flow chart of the project. • DTMF. • Arduino. • H-Bridge. • DC Motor (PM Motor) . • Results. • Future work.

3. OUTLINES : • Introduction. • Overview. • Design. • Flow chart of the project. • DTMF. • Arduino. • H-Bridge. • DC Motor (PM Motor) . • Results. • Future work.

4. Introduction : • The main objective of this project is to unlock a garage door by a mobile phone using a unique number entered through the keypad of the phone after entering the password given to the user . • This project is based on the concept of DTMF (dual tone multi - frequency).

5. OUTLINES : • Introduction. • Overview. • Design. • Flow chart of the project. • DTMF. • Arduino. • H-Bridge. • DC Motor (PM Motor) . • Results. • Future work.

6. Overview: • Our system consists of DTMF decoder, Arduino, Gate driver, H-bridge, DC motor (PM motor) to achieve our goal.

7. OUTLINES : • Introduction. • Overview. • Design. • Flow chart of the project. • DTMF. • Arduino. • H-Bridge. • DC Motor (PM Motor) . • Results. • Future work.

8. Design :

9. OUTLINES : • Introduction. • Overview. • Design. • Flow chart of the project. • DTMF. • Arduino. • H-Bridge. • DC Motor (PM Motor) . • Results. • Future work.

11. OUTLINES : • Introduction. • Overview. • Design. • Flow chart of the project. • DTMF. • Arduino. • H-Bridge. • DC Motor (PM Motor) . • Results. • Future work.

12. DTMF : • DTMF is a common communication term for touch tone phones. 16 button keypad.

13. DTMF : • The frequencies generated on pressing different keys are shown in the table:

14. DTMF Decoder: • This DTMF decoder circuit identifies the dial tone from the telephone line and decodes the key pressed on the remote telephone.

15. DTMF decoder:

16. DTMF decoder connected to the cellular phone:

17. Output of DTMF decoder:

19. Settings of the phone connected with the system: 1. A SIM card must be inserted in the phone. 2. Automatic answering mode must be selected.

20. OUTLINES : • Introduction. • Overview. • Design. • Flow chart of the project. • DTMF. • Arduino. • H-Bridge. • DC Motor (PM Motor) . • Results. • Future work.

21. Arduino: • We used Arduino Uno in our project . • The Arduino Uno is a microcontroller board based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs).

23. Output of the Arduino : 1 3 2

24. Arduino sequence of opening process. Vavg 0 Speed Vavg=(0.75*Vdc-0.25*Vdc )/T distance

25. Arduino sequence of closing process. Vavg 0 Speed Distance Vavg=(0.25*Vdc-0.75*Vdc)/T

26. VEDIO

27. OUTLINES : • Introduction. • Overview. • Design. • Flow chart of the project. • DTMF. • Arduino. • H-Bridge. • DC Motor (PM Motor) . • Results. • Future work.

28. H-bridge and gate drive:

29. Pulses from Arduino Output of ir2110

30. OUTLINES : • Introduction. • Overview. • Design. • Flow chart of the project. • DTMF. • Arduino. • H-Bridge. • DC motor (PM motor). • Results. • Future work.

31. DC Motor (PM motor ) :

32. OUTLINES : • Introduction. • Overview. • Design. • Flow chart of the project. • DTMF. • Arduino. • H-Bridge. • DC motor (PM motor). • Results. • Future work.

33. Door design:

34. Simulation and real implementation:

35. Opening the door :

36. 1 Speed variation curve

37. 2

38. Distance curve in simulation:

39. Closing the door

40. 1 1 Speed variation curve

41. ا 2

42. Distance variation, closing:

43. Motor connected to the door: .

44. VEDIO

45. Conclusion

46. Future work