Secret Knock Detecting Door Lock

Admin 5 years ago 2978 2

Project URL

https://www.instructables.com/id/Secret-Knock-Detecting-Door-Lock/

Parts you need for this project

• 
  Arduino Uno Rev3-Main Board
  x 1
• 
  Piezo Transducer
  x 1
• 
  12V 1100RPM 0.5kgfcm High Power Brushed DC Geared Motor
  x 1
• 
  12mm Momentary Push Button - Red
  x 1
• 
  LED 5mm Red
  x 1
• 
  LED 5mm Green
  x 1
• 
  Transistor 2N2222
  x 1
• 
  Diodes 1N4001
  x 1
• 
  Resistor 0.25W 5% (2K2)
  x 1
• 
  Resistor 0.25W 5% (10K)
  x 1
• 
  Resistor 0.25W 5% (1M)
  x 1
• 
  Resistor 0.25W 5% (560R)
  x 1

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