Electronics Softwares & Sports

Dancing Effect of Light Emitting Diodes (LED's)

noreply@blogger.com (Umair) — Sun, 28 Oct 2012 17:44:00 +0000

There is an easy Dancing LED's circuit made by NE555 and CD4017. NE555 is using as an Astable multivibrator so that the clock pulses given as input for the CD4017, every pulse received at the clock input of CD4017, outputs 2,4,7,10,1,5,6,9 to Q9 of CD4017 goes high one after one respectively and alternatively. Light emitting diodes attached to these pins emit lights in the attracting manner to give a dancing LED's view. Velocity of dancing LED's depends upon the frequency of clock pulses produced by the NE555.

Circuit Diagram of Dancing LED's

Serving Humanity: Science & Technology

noreply@blogger.com (Umair) — Tue, 03 Jan 2012 16:02:00 +0000

Serving Humanity: Science & Technology: Science & technological page will show the basic & advanced laws and principles with interesting information & facts of Science.

Serving Humanity: Softwares

noreply@blogger.com (Umair) — Tue, 03 Jan 2012 16:00:00 +0000

Serving Humanity: Softwares: This page will aid the users about the latest technological software's regarding many fields.

24V DC Regulated Power Supply Schematic

noreply@blogger.com (Umair) — Wed, 21 Dec 2011 13:51:00 +0000

Electronic Circuits

noreply@blogger.com (Umair) — Sun, 18 Dec 2011 10:30:00 +0000

Electronics circuits are the circuits in which electronics components are widely used to achieve the required task. These are designed by well known manufacturers at high production rate as well as by undergraduate engineers for their projects. Electronic circuits include discrete components like resistors, capacitors, inductors as well as different types of IC’s (Integrated Circuits). The number of components depends upon the requirement of the circuit.

Electronic circuit’s power source can be AC (Altering Current) or DC (Direct Current). Without any external power source these circuits cannot run. In our homes (for yours ask you electricity provider or the electrician) the electricity provided by the electricity company have the voltages ~220 volts with the frequency 50-60Hz.

If any of the electronic circuit runs using DC power then the AC power source (~220) in the home switch board should be converted into DC first. Suppose if the circuit needs DC power of +24 V dc then we first use the step down transformer to step down the 220volt AC into 25 volt AC,. Then we rectify it using a rectifier. Bridge rectifier is a good choice while rectifying AC volts into DC volt. Then use capacitors for filtering the rectified voltage so that we can get a pure DC +24 volts at output.

The diagram of conversion of 220 AC volts into +24 DC volts will be uploaded soon.

Best of Luck.

Welcome to a change

noreply@blogger.com (Umair) — Thu, 15 Dec 2011 21:41:00 +0000

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