How to make very Simple Electronic Dark or Light detector circuit using LDR and Integrating a Relay in it for making it a Automatic Switch.
By: Alok kumar
Today we are going to learn how to make an eletronic dark or light detector circuit because this marvelous piece of gadget can be very useful if integrated with other devices as a switch. It means when a certain predefined intensity of light is reached our device is able to detect that condition and able to switch any device and can be very useful for saving energy and efforts. We can make a Automatic Lawn Light, Automatic Bulb or Tubelight, Automatic Car Head Light switch and many many useful circuit. It can be used in various ways if logically applied.
