on video How To Make 220v automatic light switch circuit

 

Step 1: Take All Components As Shown Below

Take All Components As Shown Below

Take All Components As Shown Below

Take All Components As Shown Below3 More Images

Components required -

(1.) LED - 3V x1

(2.) Battery clipper x1

(3.) Battery - 9V x1

(4.)LDR sensor x1

(5.) Transistor - BC547 x1

(6.) Resistor - 20K/33K ohm x1

As pin-1 is Collector of this transistor,

Pin-2 is Base and Pin-3 is Emmiter of this transistor.

 

Step 1: Take All Components As Shown Below

Take All Components As Shown Below

Take All Components As Shown Below

Take All Components As Shown Below3 More Images

Components required -

(1.) LED - 3V x1

(2.) Battery clipper x1

(3.) Battery - 9V x1

(4.)LDR sensor x1

(5.) Transistor - BC547 x1

(6.) Resistor - 20K/33K ohm x1

As pin-1 is Collector of this transistor,

Pin-2 is Base and Pin-3 is Emmiter of this transistor.

 

Step 1: Take All Components As Shown Below

Take All Components As Shown Below

Take All Components As Shown Below

Take All Components As Shown Below3 More Images

Components required -

(1.) LED - 3V x1

(2.) Battery clipper x1

(3.) Battery - 9V x1

(4.)LDR sensor x1

(5.) Transistor - BC547 x1

(6.) Resistor - 20K/33K ohm x1

As pin-1 is Collector of this transistor,

Pin-2 is Base and Pin-3 is Emmiter of this transistor.

 

Step 1: Take All Components As Shown Below

Take All Components As Shown Below

Take All Components As Shown Below

Take All Components As Shown Below3 More Images

Components required -

(1.) LED - 3V x1

(2.) Battery clipper x1

(3.) Battery - 9V x1

(4.)LDR sensor x1

(5.) Transistor - BC547 x1

(6.) Resistor - 20K/33K ohm x1

As pin-1 is Collector of this transistor,

Pin-2 is Base and Pin-3 is Emmiter of this transistor.