Magnetic Effect of Electric Current

Ampere's circuital law: The line integral of the magnetic field around some closed loop is equal to ilo times algebraic sum of current which pass through the loop.
Electricity produces magneti...

Difference between Relay and Circuit Breaker

Fundamental difference is that Relay is a sensing device where as Circuit Breaker is a fault interrupting equipment.
Relay is a protective device which senses the faulty conditions in a power ...

How to make Temperature Control Fan

if you want to make temperature control fan, it is diagram circuit will help you easily to make temperature control fan with sensor LM35 and NPN transistor


Designing and Building Transistor Linear Power Amplifiers

In Part 1 of this series, I described an experi mental method for designing a linear amplifier starting with a blank sheet of paper, some basic test equipment and an assortment of can didate transi...

How to build 4 Channel Portable Audio Mixer

If you want to build 4 Channel Portable Audio Mixer you able to follow these steps: High-quality modular design, 9V Battery powered - Very low current drawing

The target of this proje...

Easy way to build an audio mixer

If you aim to build audio mixer you able to following these steps. An audio mixer, also called a mixing console, is an electronic device for combining, and modifying audio signals. The modified aud...

LM741 Operational Amplifier

The LM74 devices are general-purpose operational amplifiers which feature improved performance over industry standards like the LM709. It is intended for a wide range of analog applications. The hi...

TIPD134 Test board for Analog, Active Crossover Circuit for Two-Way Loudspeakers

TIPD134 Test board for Analog, Active Crossover Circuit for Two-Way Loudspeakers  which is suitable for recording studios or home high-fidelity systems. The woofer signal pathway includes a lo...

What is Light-Emitting Diodes (LEDs) and how it works

LED  101—I
* 2 lead semiconductor device.
* Light emitting PN-junction diode.
    - Visible or infrared light.
* Has polarity.
* Recall diodes act...

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