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Mini Projects

16 Easy IC 741 Op Amp Circuits Explained

Last Updated on January 19, 2025 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

12 Simple IC 4093 Circuits and Projects Explained

Last Updated on January 18, 2025 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

10 Step Relay Selector Switch Circuit Diagram

Last Updated on January 17, 2025 by Swagatam 131 Comments

electronicselectorswitchcircuit

In this post I have explained a simple yet useful 10 step selector switch circuit which can be operated using a singe push-to-ON switch. In the following design the circuit is used as a 3 step, single push motor speed controller unit. The circuit was requested by Mr.Edalcor. Technical Specifications hi sir good day to to you, can you please design […]

Filed Under: Mini Projects Tagged With: Relay, Selector, Step, Switch

10 Simple IC 555 Monostable Circuits Explored

Last Updated on January 17, 2025 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

Simple Hobby Circuit Projects

Last Updated on August 6, 2024 by Swagatam 201 Comments

40 Watt Fluorescent Lamp Inverter Circuit Diagram2C Image

A few of the interesting and useful hobby electronic circuit diagrams already published in this blog have been selected and compiled here for your quick reference and understanding. What is a Hobby Circuit? A hobby circuit is an electronic circuit project specially designed to suit new hobbyists. These circuits are mostly small and easy to […]

Filed Under: Mini Projects Tagged With: Hobby, Projects, Simple

SCR Applications Circuits

Last Updated on April 13, 2024 by Swagatam 22 Comments

Half wave series static switch.

In this article I have explained many interesting SCR application circuits and also learn the main features and properties of an SCR also called a thyristor device. What’s an SCR or Thyristor SCR is the acronym of Silicon Controlled Rectifier, as the name suggests it’s a kind of diode or a rectifying agent whose conduction […]

Filed Under: Mini Projects Tagged With: Applications, Circuits, SCR

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