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AUTOMATIC INTENSITY ADJUSTING LED IN A WALL CLOCK FOR NIGHT VISION

[Category : - OTHER]
[Viewed 1046 times]

A system for making visible the wall clock even in the darkness is based on a simple concept of electronics, is cheap and requires very simple circuit, the said circuit mainly incorporates the elements like Light sensor, LED bulb, the said Light sensor is the main component which senses the intensity of light falling on it and delivers the output with respect to that intensity, the said Sensor is fitted on the top of the wall clock and is faced so that it can accurately measure the intensity of light falling on the clock and Depending on the output from the sensor and LED bulb is the element that makes the clock timing visible, the said LED is fitted inside the clock so that its light falls on the major portion of the clock and when the intensity of light falls below specific value the LED inside the clock starts glowing and as intensity of light keeps falling, the intensity of LED keeps increasing and due to this we can easily see even in the absence of light and the overall cost of installing this system is very small (Rs.50).


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It is not sold previously.

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