How to make a light sensor circuit

Please make the circuit given in the diagram. Light detectors are one of the most popular sensor and they are commonly found in many real-world applications. They are widely used by electronic. To make this circuit operate in reverse (the LED turns on when there is light ), simply just exchange the positions of the Variable Resistor and the LDR.

A Beginner Could Also Make This.

A Simple Circuit , Controlled by two major Things.

This Can be Done on Perfboard too.

Explanation : When PIR Sensor sense any . The automatic light sensor circuit can be designed using various electrical and electronic components. Before discussing about the working operation of the light . LDR, Transistor(BC547),Resistor(1k ohm, 5ohm), LE Battery(9V) Working:- When sufficient light falls on LDR, transistor is ON state. You can also make the LED turn ON when it is dark instead of when it is light.

Dark sensor with variable resistor: Dark light sensor. This is not only risky but also in wastage of power with the negligence of personnel or unusual circumstances in . For this step you need to know about breadboard. So collect enough information about it.

Connect the circuit as shown in the figure. Build the circuit accordingly and you are ready with your energy saver light sensor. Basic principle is really simple the possibilities and uses of these basic sensors are almost unlimited. Depending on the purpose and the outcome of your circuit , you may need extra items . Parts:- 1) 1x BC5transistor.

This allows them to be used in light sensing circuits. This automatic staircase light circuit can be easily explained. Whenever PIR sensor detects any body movement, its OUTPUT pin becomes HIGH, which applies the triggering voltage to the base of the transistor, transistor get ON, and current started flowing through the coil. Light Dependent Resistor LDR Circuit Symbol LDR Circuit . Coil in Relay gets energies and create .