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Saturday, December 2, 2023

on video LED Chaser, using NE 555 IC


 LED Chaser, using NE 555 IC

Today I am going to make an LED Chaser circuit using NE555 IC and BC547 Transistor.This LED Chaser is different from other LED Chasers circuit.


This is the Pinout of BC547 Transistor.


C - Collector,


B - Base and


E - Emmiter

Connect emitter pin of one transistor to base pin of other transistor and like this we have to connect all transistors as you can see in the picture.


Solder 10K resistor to base pin of all transistors and other side of 10K resistor connect each other as connected in the picture.


Next solder 330 ohm resistors to +ve Legs of all LEDs as you can see in the picture.


Next connect +ve Legs of all LEDs to each other as solder in picture.


Connect Anode of 1N4007 Diode to 10K Resistors and Cathode to +ve legs of all LEDs as you can see in the picture.

Solder 2.2K Resistor between Anode and Cathode of 1N4007 Diode as you can see in the picture.


Next Solder +ve pin of 25V 470uf capacitor to 10K Resistor/Anode of Diode and -ve pin to Emmiter pin of 5th transistor as you can see in the picture.


The LED chaser circuits are the most commonly used integrated electronic circuits. They are immensely used in various applications like in Signals, Words Formation system, display systems etc. The 555 timer IC is configured in stable state mode. The output of circuit changes continuously from its decoding and encoding phases. By that way the LED chaser circuit makes transition from one stable state to the other and vice versa. So let’s make our project and understand how our circuit is working.


The rise and fall of the current across the LED is regulated by the proper terminology of 555 Timer IC. By default the first output of the circuit LED is at the rest or OFF. Whenever the clock is applied and trigger is simulated externally the shifting and transition of LED blink and flash takes place, this swapping of output is termed as the chaser circuit. Let’s make our project and understand its functioning practically.


Attention Here:


As we all know our world is suffering from highly infected pandemic disease COVID-19. So, for the awareness and social responsibility we are providing 0 profit selling disposable medical things.


 LED Chaser, using NE 555 IC

Today I am going to make an LED Chaser circuit using NE555 IC and BC547 Transistor.This LED Chaser is different from other LED Chasers circuit.


This is the Pinout of BC547 Transistor.


C - Collector,


B - Base and


E - Emmiter

Connect emitter pin of one transistor to base pin of other transistor and like this we have to connect all transistors as you can see in the picture.


Solder 10K resistor to base pin of all transistors and other side of 10K resistor connect each other as connected in the picture.


Next solder 330 ohm resistors to +ve Legs of all LEDs as you can see in the picture.


Next connect +ve Legs of all LEDs to each other as solder in picture.


Connect Anode of 1N4007 Diode to 10K Resistors and Cathode to +ve legs of all LEDs as you can see in the picture.

Solder 2.2K Resistor between Anode and Cathode of 1N4007 Diode as you can see in the picture.


Next Solder +ve pin of 25V 470uf capacitor to 10K Resistor/Anode of Diode and -ve pin to Emmiter pin of 5th transistor as you can see in the picture.


The LED chaser circuits are the most commonly used integrated electronic circuits. They are immensely used in various applications like in Signals, Words Formation system, display systems etc. The 555 timer IC is configured in stable state mode. The output of circuit changes continuously from its decoding and encoding phases. By that way the LED chaser circuit makes transition from one stable state to the other and vice versa. So let’s make our project and understand how our circuit is working.


The rise and fall of the current across the LED is regulated by the proper terminology of 555 Timer IC. By default the first output of the circuit LED is at the rest or OFF. Whenever the clock is applied and trigger is simulated externally the shifting and transition of LED blink and flash takes place, this swapping of output is termed as the chaser circuit. Let’s make our project and understand its functioning practically.


Attention Here:


As we all know our world is suffering from highly infected pandemic disease COVID-19. So, for the awareness and social responsibility we are providing 0 profit selling disposable medical things.

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