by Alka Verma | May 30, 2017 | General
In this article, we shall learn about a simple circuit using light sensor LDR (Light Dependent Resistor). You may be surprised to know that we can sense light and incorporate electronics in our day to day life by using very simple and easy to handle components....
by Alka Verma | May 8, 2017 | General
We have read about conductors and insulators and performed an activity to identify them in a previous article. Here, we are going to discuss a circuit which acts as water sensor by using the fact that water is a good conductor of electricity. This circuit can also be...
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