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Mini Projects

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

Simple FET Circuits and Projects

Last Updated on June 23, 2026 by Swagatam 16 Comments

calibration1

The Field-Effect Transistor or the FET is a 3 terminal semiconductor device which is used for switching high power DC loads through negligible power inputs. The FET comes with some unique features such as a high input impedance (in the megohms) and with almost zero loading on a signal source or the attached preceding stage. […]

Filed Under: Mini Projects Tagged With: Circuits, FET, Projects, Simple

10 Simple IC 555 Monostable Circuits Explored

Last Updated on June 23, 2026 by Swagatam 28 Comments

ic 555 internal view compressed

In this post I have explained how IC 555 can be used for making 10 different types of monostable multivibrator circuits, such as one-shot type, debounce preventor, retriggerable type, touch switch monostable circuit and many more. A monotsable multivibrator circuit is a configuration in which, a short momentary pulse at the input of the circuit […]

Filed Under: Mini Projects Tagged With: 555, Circuits, Explored, Monostable, Simple

How to Make IC LM339 Circuits

Last Updated on June 23, 2026 by Swagatam 15 Comments

LM339 square wave oscillator compressed

The IC LM 339 is primarily created to compare two input voltages and generate a corresponding output. Having said that, before we try to learn regarding the various LM339 based circuits, it would be important to go through the standard features of the LM339. It is basically a quad comparator IC, meaning we can find […]

Filed Under: Mini Projects Tagged With: Circuits, LM339

Simple IC 4017 Circuits

Last Updated on June 23, 2026 by Swagatam 30 Comments

4017 IC image compressed

The IC 4017 is a versatile counter divider IC which can be applied for making many different interesting electronic circuits. In this post I have explained about a few useful yet simple 4017 IC circuits and projects, assorted and compiled from this blog. How to Understand IC 4017 Pinouts Before we delve into the many […]

Filed Under: Mini Projects Tagged With: 4017, Circuits, Simple

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