Today I am going to make an LED chaser circuit.Its effect is amazing.This circuit I will make using BC547 Transistor.
Let's get started,
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Step 1: Components
Step 2: Circuit Diagram
This is the circuit diagram of this project.
Connect all components according to this circuit diagram.
Step 3: Make a Ring of Wire Like As Picture
Step 4: Connect LEDs to the Ring
Solder +ve leg of all LEDs to the ring as you can see in the picture and circuit diagram.
Step 5: Solder 220 Ohm Resistor
Next we have to solder 220 ohm resistor to the -ve legs of LEDs as solder in the picture.
Step 6: Connect All Transistors
Next we have to connect transistors.
Solder collector pin of transistor to 220 ohm resistor as you can see in the picture.
Step 7: Connect 10K Resistors
Next we have to solder 10K resistors to the circuit.
Solder 10K Resistor between Base pin of transistors to +ve legs of all LEDs as you can see in the circuit diagram.
Step 8: Connect Emmiter Pins of Transistor
Next we have to connect emmiter pins of all transistors together as solder in picture.
Step 9: Connect Capacitors
Solder capacitors to the circuit as given in the circuit diagram.
+ve pin of capacitor to Base pin of one transistor and -ve pin of capacitor to collector pin of other transistor as you can see in the picture.
Step 10: Connect Battery Clipper Wire
Now we have to connect battery clipper wire to the circuit.
Solder +ve wire of battery clipper to +ve of all LEDs and solder -ve wire of battery clipper to emmiter pin of transistors as given in the circuit diagram.
Step 11: Connect Battery
Now our circuit is ready so connect battery to battery clipper and see the nice effet of LED chaser.