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Newly Updated Circuit Projects:

Electronic Cricket Sound Generator Circuit

Last Updated on September 22, 2023 by Swagatam 8 Comments

cricket sound simulator

In this post I have explained how to build a simple cricket chirping sound generator circuit using a single IC 4093 and a few other passive components. An electronic cricket sound generator is a device which generates a sound exactly similar to a real cricket insect. This is done using a set of oscillators configured […]

Filed Under: Oscillator Circuits Tagged With: Cricket, Electronic, Generator, Sound

Simple 12V, 1A SMPS Circuit

Last Updated on September 22, 2023 by Swagatam 227 Comments

12v 1 amp smps circuit

In the following content I have explained two simple 12V, 1 Amp switch mode power supply (SMPS) circuit using the very reliable VIPerXX IC from ST microelectronics. With the advent of modern ICs and circuits, the age old iron transformer type of power supply are surely becoming obsolete. Today power supplies are much compact, smaller […]

Filed Under: Power Supply Circuits Tagged With: 12V, Simple, SMPS

Morse Code Practice Oscillator Circuits

Last Updated on September 21, 2023 by Swagatam 6 Comments

morse code oscillator circuit using IC 4093

In this article we will explore 3 different Morse code practice oscillator circuits, for generating exact replication of Morse code signals in the form of dots and dashes. Contributed By: Anil Patil What is Morse Code Morse code is a legacy method of message encoding that uses rhythm and impulses to transmit telegraphic communication. Morse […]

Filed Under: Oscillator Circuits Tagged With: Circuits, Code, Morse, Oscillator, Practice

Simple IC Tester Circuit [Test Digital and Analogue ICs]

Last Updated on September 20, 2023 by Swagatam 3 Comments

Cable with banana pins and micro alligator clips

The IC Tester is simple to use. You don’t have any  switches to configure or lengthy test processes to complete. The universal IC Tester is a static tester, which means this does not dynamically test the IC’s operation. All ICs with up to 20 pins can be tested by this unit. ICs  with more than […]

Filed Under: Meters and Testers Tagged With: Analogue, Digital, Simple, Test, Tester

Signal Injector Circuits for Quick Troubleshooting of all Audio Equipment

Last Updated on September 17, 2023 by Swagatam 14 Comments

signal injector

This simple signal injector circuits I have explained below can be accurately used for troubleshooting and alignment applications of all kinds of audio and high frequency equipment. 1) Using a Single IC 7400 One of the extremely handy devices for repairing audio and high frequency instruments is without question a equipment that will give you […]

Filed Under: Meters and Testers Tagged With: Audio, Circuits, Injector, Quick, Signal, Troubleshooting

Understanding Crystal Oscillator Circuits

Last Updated on September 17, 2023 by Swagatam 10 Comments

colpitts crystal oscillator

Crystal oscillators are electronics devices that produce stable, accurate, and repeated signals that are widely employed in a wide range of electronic applications. Because of their great stability, precision, and low noise, they have become a crucial component in many electronic circuits. In this post, we will look at how crystal oscillators function, as well […]

Filed Under: Oscillator Circuits Tagged With: Circuits, Crystal, Oscillator, Understanding

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