We probably use it every day in our day to day life yet never identify this outstanding tiny device which has helped us to completely change our way of living.
Yes we are talking about the IR or the infra Red LEDs which are most commonly used in all remote control handsets used for operating TVs, DVD players etc.
The device looks exactly like ordinary LEDs; however they differ by a big way from them when it comes to the emission of light.
Please Refer the IR LED Illuminator CIRCUIT DIAGRAM
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