Electronics For Beginners

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Sensor

How to make Wheatstone bridge based light controller?

Dayanand Sharma Sunday, September 11, 2022

Let us make light intensity controller based on ambient light available. Circuit is simple and uses Wheatstone Bridge concept with a LDR to sense t…

Semiconductor

What is LDR & Photo Diode?

Dayanand Sharma Monday, April 20, 2020

LDR & Photo Diode We have discussed about sensors in the first post while going through some basic science concepts. Let us today l…

#The word "Electronics" is a combination of two words i.e. "Electron" and "Mechanics". Hence Electronics can be defined as a branch of science which deals with mechanics of flow of electrons. The base of this subject is to study: why, how, how much, in which direction the electrons are flowing and that is nothing but mechanics.

#Italian physicist Alessandro Volta discovered that particular chemical reactions could produce electricity, and in 1800 he constructed the voltaic pile (an early electric battery) that produced a steady electric current, and so he was the first person to create a steady flow of electrical charge. But Electron which is the base of flow of electric current was discovered by J. J. Thomson in 1897. So, there was a gap of around 97 years between both discoveries.

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How to make Wheatstone bridge based light controller?

What is LDR & Photo Diode?

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How to make Wheatstone bridge based light controller?

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Resistor color code and Variable Resistor

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