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Digital

Simple Arduino Digital Ohmmeter Circuit

Last Updated on June 8, 2026 by Swagatam 10 Comments

In this post I will show how to construct a simple digital ohmmeter circuit using Arduino and 16×2 LCD display. We will also be exploring the other possible circuit ideas using the same concept. Circuit Objective The motto of this article is not just making an ohm meter to measure the resistance; your multimeter can […]

Filed Under: Meters and Testers Tagged With: Arduino, Digital, Ohmmeter, Simple

Digital Power Meter for Reading Home Wattage Consumption

Last Updated on June 8, 2026 by Swagatam 20 Comments

power2Bmeter

In this article I have explained a simple digital power meter circuit which can be installed in homes for getting an instant reading of the wattage being consumed by the attached appliances or the loads. The idea was requested by Mr. Nitin. Technical Specifications I m going through a problem. I want to know a […]

Filed Under: Meters and Testers Tagged With: Digital, Home, Meter, Power, Reading, Wattage

Simple Digital Stopwatch Circuit (4-Digit)

Last Updated on May 21, 2026 by Swagatam 50 Comments

stopwatchcircuit

In this article we’ll study a digital stopwatch design configured around the very popular IC LM555 in conjunction with a 4-digit counter IC with multiplexed 7-segment output drivers (MM74C926). Written and Submitted by: Jennifer Goldy Circuit Operation IC MM74C926 is internally made up of a 4-digit counter, an output latch up stage, a npn output […]

Filed Under: Games and Sports Projects Tagged With: Digit, Digital, Simple, Stopwatch

5 Simple Electronic Dice Circuits Explained [Digital Dice]

Last Updated on May 21, 2026 by Swagatam 12 Comments

dice compressed

We all know what a dice is and how manually a dice is shuffled and thrown to get a random number. In older times when we did not have computer games or mobile games, we used to play with various indoor games that required tossing a cubical thing called dice having 1 to 6 dots […]

Filed Under: Games and Sports Projects Tagged With: Circuits, Dice, Digital, Electronic, Explained, Simple

Digital Buffer – Working, Definition, Truth Table, Double Inversion, Fan-out

Last Updated on May 20, 2026 by Swagatam 2 Comments

digital buffer

A buffer stage basically a reinforced intermediate stage which allows the input current to reach the output without getting affected by the output loading. In this post I will try to explain what digital buffers are, and we will be taking a look at its definition, symbol, truth table, double inversion using logic “NOT” gate, […]

Filed Under: Electronics Theory Tagged With: Buffer, Definition, Digital, Table, Truth, Working

Digital-to-Analog (DAC), Analog-to-Digital (ADC) Converter Circuits Explained

Last Updated on May 20, 2026 by Swagatam 4 Comments

ladder formula

A digital-to-analog converter (DAC, D/A, D2A, or D-to-A) is a circuit designed to convert a digital input signal into an analog output signal. The analog-to-digital converter (ADC) works in the opposite way and transforms an analog input signal into a digital output. In this article I will comprehensively discuss how digital to analog, and analog to digital converter circuits work, using diagrams and formulas. In […]

Filed Under: Electronics Theory Tagged With: ADC, Analog, Circuits, Converter, DAC, Digital

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