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AUTOMATIC ON/OFF STREET LIGHT


In this post, we make automatic street light. you have just wanted to know the street light circuit automatically on in the evening and off in the morning.
I want To tell you nobody on/of this light physically.
 in this post, we describe a circuit for an automatic street light or street controller project by (LDR) Light Dependent Resistor.



Automatic Street Light Circuit Use It is a simple and powerful concept,
It uses Triac A Switch to switch On and Off The Street Light Automatic.
Automatic Switch on a light in the evening And Off light In the Morning.
This Project is very Simple And very use full Circuit.
It Is very important in this project is the LDR Sensor Of this project.



So in this project, we are going to use an LDR As Sensor And sens light In the day time due to light The resistance Of LDR Well Be Very low.
So The voltage very high.
  This feeds the triac (BT136)  On/ off  Phase. BT136 is triac that is used to control main power 110/220 Dricet Volts Ac Main Power.




SMALL CHANGE IN THE CIRCUIT
You can make also is without Diac (db3). work without Prefect.

PART USE IN THIS CIRCUIT 

Triac : BT134/ BT 136/BT139
Resistor:220k/4Watts





LDR LIGHT DEPENENED RESISTOR
Message 
The street light Circuit is work on 110/220volt Ac Dricet.
 And if you not  Typical working With Mains Voltage or do not have experience in work with 220v ac mains voltage Please stay Away from the project When it is connected With The Main Power.

The System is highly sensitive. When the Goes LDR Dark the street Light Automatic On
When the LDR finds the light of Automatic.

Once the street light Are Placed in the system there is no need to monitor Anymore.
We function thire own. we are less costly Reliable. The system can handle heavy load up to 7amh if we use BT139 then it can be handel 18amh Mains Current.
The system can be changed to the manual mode need.

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