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Simple Anti-Theft Alarm Circuit to Protect Valuable Items

Last Updated on May 24, 2022 by Swagatam 9 Comments

movement alarm circuit compressed

This easy yet useful security alarm circuit is designed to get triggered in response to even a brief movement of the unit, causing a loud alarm sound to set off. The circuit could be attached or installed on any desired gadget or asset which needs to be protected from theft. As soon as the gadget […]

Filed Under: Security and Alarm Tagged With: Alarm, Anti, Protect, Simple, Theft, Valuable

Simple Digital Timer Circuit with 2 Digit Display

Last Updated on February 3, 2022 by Swagatam 27 Comments

parts list

This simple digital timer circuit can be used to obtain timing output through selectable ranges, which can be set from 0 to 99 second, with 1 second interval, 0 to 990 seconds with 10 second interval, and 0 to 99 minutes with 1 minute interval. All these timing outputs can be visualized and tracked through […]

Filed Under: Timer and Delay Relay Tagged With: Digit, Digital, Display, Simple, Timer

Simple Vertical Axis Wind Turbine Generator Circuit

Last Updated on December 24, 2021 by Swagatam 8 Comments

In this post I have explained a simple vertical axis wind turbine generator circuit using ready made high power generator dynamo and a vertical axis wind turbine mechanism. The idea was requested by Mr. Taibani. Circuit Objectives and Requirements Hope you’re doing well. Firstly thanks for all the great knowledge & information you have given […]

Filed Under: Solar Controller Circuits Tagged With: Axis, Generator, Simple, Turbine, Vertical, Wind

Simple FET Circuits and Projects

Last Updated on September 15, 2021 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

Simple Diode Circuits Explained

Last Updated on May 31, 2021 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

6 Simple AC Bridge Circuits Explained

Last Updated on May 9, 2021 by Swagatam Leave a Comment

Fig compressed

An AC bridge is a circuit which can be used for measuring parameters like capacitance, resistance, Inductance using differential method, by comparing them with known values of similar components, positioned diagonally across a bridge circuit, and through an analogue meter placed at the center of the bridge. Before we begin talking about the AC bridge […]

Filed Under: Electronics Theory Tagged With: AC, Bridge, Circuits, Explained, Simple

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