Street light Automatic ON&OFF / street light with ldr

Street light Automatic ON&OFF / street light with ldr

Video link: https://youtu.be/yoV_e3m98Y8

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220 AC bulb with LDR

Some times we want to light some places where we can not switch on and off light manually. For these places we can not remain on the light every time , so we want to to switch the light automatically in darkness and switch off the light in brightness automatically.automatic street light advantages and disadvantages.

In this circuit we are going to make a street light circuit that automatically switches ON when the night falls and turns OFF when the sun rises. so we have to use some logic to do that because we don’t want to do this manually.
The circuit works on 110220v AC Directly and if you are not accustomed to working with mains voltage or do not have experience in working with 220v AC Mains Voltage please stay away from this project while it is connected with Main power.

https://albrtech.com/automatic-street-light-circuit/

Today i will show you how to make automatic street light On off dricetly with 220v ac no relay or battery simple and easy electronics project use LDR and Triac BT136.
I hopeful this video will be helpful for you and your friends please like,share and subscribe for more videos.
Components
1.Triac BT 136
1.Resistor 220k
1.LDR senser
Please like, share and subscribe my YouTube channel

Save electricity by this simple project.

It glows during night and switches off automatically as the sun rises.

I have tried a lot of circuits but i made one and this works perfectly.

The working principle of LDR is that it gives less resistance in high light intensity and high resistance in low light intensity (ie) it gives high resistance in dark or night and low resistance in day or light.

Here we use transistor as a two way switch. If the voltage through base is greater than 5V it send through the emitter. If the voltage through base is less than 5V the it sends through collector.

During night the LDR gives a high resistance as a result the voltage passing through the base will become less than 5V so the LED glows.

During day time LDR gives a low resistance as a result the voltage through base is greater than 5V which switches the current to the emitter. This turns LED off.

Street light Automatic ON&OFF

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Видео Street light Automatic ON&OFF / street light with ldr канала Madni Mobiles