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A touch switch is an electronic device that enables us to control a circuit by simply touching a sensor. Smart Kit 1005 is a very easy project to built and will make you the proud owner of a magic switch that will respond to the slightest touch of your hand on its sensitive plates.  ... Read more »
Category: Sensor | Views: 803

This project will let you make a switch that will be activated by light falling on a sensor. It is a very useful device and can be used in automatism's, security systems, counters, remote controls etc. It is very sensitive, fast acting and reliable. The circuit uses a Light Dependent Resistor (LDR) as a sensor and three transistors to amplify the signals from the LDR and drive the relay which does the switching.

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Category: Sensor | Views: 853

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