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Archives for April 2012

Understanding and Using a Piezo Transducer

Last Updated on January 29, 2023 by Swagatam 11 Comments

piezotransducerelement

In this post we try to investigate what transducers are and how they need to be configured in circuits while using them in a given application Understanding Piezo Transducers A piezo transducer is a device primarily used for converting an applied frequency to audible sound. It may be compared to a loud speaker, the only […]

Filed Under: Electronics Theory Tagged With: Piezo, Transducer, Understanding

Add this Short Circuit Protection to Your Power Supply

Last Updated on October 14, 2022 by Swagatam 107 Comments

simple short circuit protection for power suppllies using relay

A rather cheap yet reasonably effective short circuit protection circuit is I have explained below which can be used for safeguarding power supply circuit Introduction A power supply unit is an indispensable unit for every electronic enthusiast and engineers working in the relevant field. Though today all of us use hi-tech power supply units having […]

Filed Under: Power Supply Circuits Tagged With: Power, Protection, Short, Supply

Make This Powerful 200+200 watts Car Stereo Amplifier Circuit

Last Updated on May 5, 2022 by Swagatam 42 Comments

200wattcarstereoamplifiercircuit

No complex wiring, no costly MOSFETS and no cumbersome heatsinks, yet a powerful 200+200 watt stereo amplifier circuit, which can be built within hours using just a couple ICs, right in your home. Yes we are discussing the state-of-the-art thick film hybrid IC STK4050II, by SANYO.The IC is specifically designed for amplifying music at an […]

Filed Under: Audio and Amplifier Projects Tagged With: 200, Amplifier, Powerful, Stereo, watts

Earthquake Sensor Circuit [Seismic Sensor]

Last Updated on September 30, 2021 by Swagatam 43 Comments

earthquakesensorcircuitsiesmicsensorcircuit

The article shows an earthquake sensor circuit idea which incorporates an innovative way of detecting the minutest of shocks caused by a possible earthquake tremor. The circuit is so sensitive that it is able to detect tremor of 4 on the Richter scale, yet remains unaffected to loud sounds or irrelevant bangs or noises. Introduction […]

Filed Under: Security and Alarm Tagged With: Earthquake, Seismic, Sensor

How to Check a MOSFET Using a Digital Multimeter

Last Updated on June 30, 2021 by Swagatam 90 Comments

228964

In this post I have explained how to test mosfets using multimeter through a set of steps, which will show help you to accurately learn the good or faulty condition of a mosfet Mosfets are Efficient but Complex Devices MOSFETs are outstanding devices when it comes to amplifying or switching of various kinds of loads. […]

Filed Under: Meters and Testers Tagged With: Check, Digital, MOSFET, Multimeter

Timer based Water Level Controller Circuit

Last Updated on February 17, 2021 by Swagatam 56 Comments

CD 4060 based timer 9be8549fa77bb7793263 1 1

The explained circuit of a water level controller circuit is based on a adjustable timer circuit whose time delay is first adjusted to match the filling time of the tank, as the the tank fills, the timer delay also simultaneously lapses and its output switches OFF the water pump. Circuit Specifications Actually the circuit was […]

Filed Under: Water Controller Tagged With: Based, Controller, Level, Timer, Water

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