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3 Simple Frequency Counter Circuits Discussed

Last Updated on June 5, 2022 by Swagatam 17 Comments

frequency 1

In this post we are going learn how to construct 3 different frequency counter circuits using ordinary components and ICs which will showcase the measured frequency on 7 segment displays. The first circuit which uses 4026 ICs can measure frequencies up to 1 MHz and the circuit is user calibrated.  We will Learn About: Block […]

Filed Under: Sensors and Detectors Tagged With: Circuits, Counter, Discussed, Frequency, Simple

3 Glittering LED Christmas Tree Light Circuits Explored

Last Updated on January 20, 2025 by Swagatam 34 Comments

Flasher4060 1 compressed

In this post we present 3 circuit ideas for creating beautiful Christmas tree light decorations. The first idea explains a transistorized flashing blinking LED string light which can be mounted on a Christmas tree. The second circuit diagram describes an LED light effect generator which can be also installed over a real Christmas tree for […]

Filed Under: Mini Projects Tagged With: Christmas, Circuits, Glittering, LED, Light, Tree

How to Make Car LED Chasing Tail Light, Brake Light Circuit

Last Updated on July 13, 2024 by Swagatam 83 Comments

LEDTailLight1

I am presenting a circuit design here in response to a request sent by one of the avid readers of this blog. The proposed circuit is of a sequential LED light driver, especially designed to suit the application of a multipurpose car tail light indicator. Circuit Connections The circuit is integrated to the brake switch […]

Filed Under: Automobile Electronics Tagged With: Brake, Chasing, LED, Light, Tail

IC 4060 Pinouts Explained

Last Updated on February 18, 2021 by Swagatam 65 Comments

IC4060PinOut

Another versatile device, the IC 4060 has numerous applications and can be used for implementing various useful functions in an electronic circuit. Introduction Basically the IC 4060 is a oscillator/Timer IC and can be used for producing discretely variable accurate time intervals or delays. Alternatively it may also be used as an oscillator for acquiring […]

Filed Under: Electronics Theory Tagged With: 4060, Explained, Pinouts

Build Simple Transistor Circuits

Last Updated on January 2, 2024 by Swagatam 67 Comments

variable power supply transistor

A compilation of important assorted transistor simple circuits to build has been included here. Simple Transistor Circuits for New Hobbyists Many simple transistor configurations like, rain alarm, delay timer, set reset latch, crystal tester, light sensitive switch and many more have been discussed in this article. In this compilation of simple transistor circuits (schematics) you […]

Filed Under: Mini Projects Tagged With: Build, Circuits, Simple, Transistor

6 Simple Capacitance Meter Circuits Explained – Using IC 555 and IC 74121

Last Updated on November 13, 2023 by Swagatam 59 Comments

FrequencyMeter

In this post I will talk about 6 easy yet accurate capacitance meter circuits using the ubiquitous IC 555 and many other easily available ICs. How Capacitors Work Capacitors are one of the main electronic components which come under the passive component family. These are extensively used in electronic circuits and virtually no circuit can […]

Filed Under: Meters and Testers Tagged With: 555, Capacitance, Circuits, Explained, Meter, Simple

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