ECE 145- SECURITY LOCK

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ECE 145-SECURITY LOCK

• Team Pen15
• Walter Wang
• Darren Do Meh Wong
• Richard Shih-Han Yu

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SECURITY LOCK

• PARTS USED- LCD, AMD MICROCONTROLLER, KEYPAD, 4
  MHZ OSCILLATOR, FOUR 330 Ohm RESISTORS, FOUR 4700
  Ohm RESISTORS, EDE1144 ENCODER, STEPPER MOTOR, 30
  GAUGE WIRE, VECTOR BOARD
• TOTAL COST- 275

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BLOCK DIAGRAM
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STEPPER MOTOR

• Used in floppy drives and dot-matrix printers
• SPECS 12v dc, four-phase, unipolar, 3.6 per
  step

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PROGRESS REPORT

• Connected LCD and Keypad to AMD
• Problems with port connections- poor metal
  connections.

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FUTURE SCHEDULE

• Attach stepper motor
• Program the stepper motor and keypad