How to Make Light Sensitive Light

Intro: How to Make Light Sensitive Light

led automatically switch on and off as light intensity increase or decrese by Ashwini sinha

Step 1: Things You Need

1 photo sensor or ldr
1 led light
1 battery(3.4v)
20cm wire

Step 2:

connect the photodiode in reverse biassing. do the connection as shown in fig

Step 3: Now It Is Ready ....have a Fun With It ..when the Sender Is in Dark Led Automatically Switch Off ...when You Put Switch on Led Glows



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    3 years ago

    Smart idea! I really like this project. Thanks for shearig :)