Tuesday 10 October 2017

Led chaser circuit using 4017 and 555

You must have seen different kinds of decoration lighting patterns. Working of the circuit is explained a. Watch the video above for detailed step by step instructions on how to build this . The output frequency of the 5timer is determined by the resistors R RVand capacitor C1. Step 1: First, a Bit of Theory.

The 5timer IC is an integrated circuit (chip) used .

The circuit uses two ICs (one is 5) to drive the LEDs.

IC( NE5) is the popular timer IC wired in the Astable Multivibrator mode. The “Laser Light Show” part is not actual. There are no lasers in this project so calm yourselves. My son want to learn about LED Chaser.


A when driving three series-connected red LEDs. We will see the circuit diagram , components used and the working of this project. One the control the sequence and thr . The output of the astable multivibrator is connected to the clock input of the decade counter.


Speed of glowing LED can be controlled by variable resistor in timer (IC 5) which is setting frequency output of timing pulse . Technical information -The power supply of 6-VDC. Power consumption is about mA maximum -Have the . Here we used IC 5as astable multivibrator to. Espero que gostem da música, pelo menos.


Flashing speed can change by potentiometer. From all of these ideas, I decided the LED chaser circuit was the best choice, as it was . The speaker makes the pulse audible. Dancing LEDs circuit is used for decorative purpose and looks very good when these LEDs glow in sequential manner.


We can create many kind of Dancing LEDs patterns for decoration. This project Component are : 1.

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