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16 Easy IC 741 Op Amp Circuits Explained

Last Updated on June 23, 2026 by Swagatam 34 Comments

1 16

The 16 fundamental IC 741 based op amp circuits presented here are not only interesting but also very amusing to build. The included circuit ideas like inverting and non-inverting amplifiers, tone control and regulated power supply will surely intrigue you. Circuit diagrams are also attached with the article. Application Circuits (Learn More) We all are […]

Filed Under: Mini Projects Tagged With: 741, Circuits, Easy, Explained

Basic Electronic Circuits Explained

Last Updated on June 23, 2026 by Swagatam 40 Comments

circuit symbols

The article below comprehensively discusses all the basic facts, theories and information regarding the working and use of common electronic components such as resistors, capacitors, transistors, MOSFETs, UJTs, triacs, SCRs. The various small basic electronic circuits explained here can be effectively applied as building blocks or modules for creating multistage circuits, by integrating the designs […]

Filed Under: Mini Projects Tagged With: Basic, Circuits, Electronic, Explained

12 Simple IC 4093 Circuits and Projects Explained

Last Updated on June 23, 2026 by Swagatam 10 Comments

4093 piezo driver circuit

The 4093 is a 14-pin package containing four positive-logic, 2-input NAND Schmitt trigger gates as shown in the following figure. It is possible to operate the four NAND gates separately or collectively. The individual logic gates of the IC 4093 works in the following manner. As you can see each gate has two inputs (A […]

Filed Under: Mini Projects Tagged With: 4093, Circuits, Explained, Projects, Simple

Simple Diode Circuits Explained

Last Updated on June 23, 2026 by Swagatam 8 Comments

rectifier diode compressed

In this post I have explained how to use rectifier diodes for building some practical and useful electronic circuits. A diode is the most basic semiconductor electronic component, which is built with a single pn semiconductor junction. It has only two terminals, which are referred to as the anode and the cathode. Diodes can be […]

Filed Under: Mini Projects Tagged With: Circuits, Diode, Explained, Simple

2 Digital Potentiometer Circuits Explained

Last Updated on June 23, 2026 by Swagatam 19 Comments

DS 1869 potentiometer circuit

In this post I have explained a 2 simple, single chip digital potentiometer circuits which can be controlled through a single pushbutton, a dual pushbutton (up/down) or even through external digital (CMOS/TTL) input triggers. 1) About DS1869 Dallastat TM is a rheostat or potentiometer. This unit delivers 64 conceivable consistent tap outputs over the over-all […]

Filed Under: Mini Projects Tagged With: Circuits, Digital, Explained, Potentiometer

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

Last Updated on June 8, 2026 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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