Light Sensors: Turning a Laser Pointer into a Hi-Tech Tripwire

  • Aiken Pang
  • Peter Membrey


In plain English, this simply means that the more light there is, the higher the voltage drop through the photo resistor.


Light Sensor Hardware Description Language VHDL Code Clock Source Photo Resistor 
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Copyright information

© Aiken Pang and Peter Membrey 2017

Authors and Affiliations

  • Aiken Pang
    • 1
  • Peter Membrey
    • 2
  1. 1.ChelmsfordUSA
  2. 2.Flat 6BLai Chi Kok, Kowloon, Hong KongChina

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