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You are here: Home / Archives for 741 IC Circuits

Ice Warning Circuit for Automobiles

Last Updated on October 1, 2019 by Swagatam Leave a Comment

Devices that react to variations in atmosphere or fluid heat are simple to construct due to the easy availability of thermistors. This car ice warning circuit explains how to implement […]

Filed Under: 741 IC Circuits, Car and Motorcycle, Mini Projects

Comparator Circuits using IC 741, IC 311, IC 339

Last Updated on January 31, 2020 by Swagatam 5 Comments

The basic function of a comparator circuit to compare two voltage levels at its input pins and produce an output to show which input voltage has higher potential than the […]



Filed Under: 741 IC Circuits, Electronic Components, Electronic Devices and Circuit Theory

4 Simple Clap Switch Circuits [Tested]

Last Updated on February 23, 2020 by Swagatam 193 Comments

The clap switch circuits explained here will toggle a connected load ON and OFF in response to alternate clap sounds? Here we discuss 4 unique and simple designs which can […]

Filed Under: 4017 IC Circuits, 741 IC Circuits, Home Electrical Circuits, Simple Circuits

Remote Control Tester Circuit

Last Updated on July 28, 2019 by Swagatam 6 Comments

We all use remote control handsets for controlling various household devices such as TV, AC, Music systems, curtains etc, and sometimes we seem to have problems with these devices, or […]

Filed Under: 741 IC Circuits, Home Electrical Circuits, Infrared (IR), Mini Projects, Remote Control

18650 2600mAh Battery Datasheet and Working

Last Updated on February 18, 2020 by Swagatam 16 Comments

In this article we will try to understand the main specifications and datasheet of the Li-Ion cell 18650 2600 mAh, which is one of the most popular Li-ion batteries, and […]

Filed Under: 741 IC Circuits, Datasheets, Electronic Components, LM317/LM338

How to Make a Simple Milliohm Tester Circuit

Last Updated on February 23, 2020 by Swagatam 4 Comments

milliohm meter tester circuit

I wanted a milliohm tester circuit that could be used to measure resistance on printed circuit boards to track down shorted components. I looked at several designs and combined several […]

Filed Under: 741 IC Circuits, Meters and Testers, Mini Projects, Simple Circuits



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