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Eye mouse

Eye mouse. Ruba & Ola. Agenda. What is PHA ? Components Circuit description Results. PHA. PHA : Phone-Home Automation Controlled automatically. Controlled remotely. provided a telephone line. Basic components. CMD 8870 ISD 25120 Microcontroller. CMD 8870.

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Eye mouse

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  1. Eye mouse

  2. Ruba & Ola

  3. Agenda • What is PHA ? • Components • Circuit description • Results

  4. PHA PHA :Phone-Home Automation • Controlled automatically. • Controlled remotely. • provided a telephone line.

  5. Basic components • CMD 8870 • ISD 25120 • Microcontroller

  6. CMD 8870 • DTMF (Double Tune Multi Frequency).

  7. ISD 25120 • single chip, multiple message voice recorder/playback device. • on-chip oscillator. • microphone preamplifier. • automatic gain control. • antialiasing filter. • smoothing filter. • speaker amplifier. • non-volatile memory cells.

  8. Input Ring Detection Open line Block diagram voice section Decoding section Interface Output

  9. Output

  10. Call the home phone number The line is opened First message : 12345* Check the password: Correct password Wrong password (After 3 trying the line is closed) 1 If the password is correct: Choose the device

  11. If the device number is correct : The device will turn on or turn off

  12. What is the digital lock?? • Keyless door • Open the door using phone • DTMF principle

  13. Block Diagram amplification Decoding output

  14. 2 3 correct

  15. Digital lock (components) • CMD8870 • Microphone • LCD • Solenoid • microcontroller

  16. Output

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