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Found 55 Articles for Electronics Projects

Security Alarm Using PIR Sensor

Security Alarm using PIR is an electronic security system that allows you to sense motion It is used to detect motion whether a human has moved in or out of the sensor's range Motion detector sensors are small inexpensive low-power-consuming and easy to use Due to these features they are commonly used in gadgets and appliances used in homes or businesses They are often known as PIR ldquo Motion detector rdquo rdquo Passive nbsp Infrared rdquo ldquo Pyroelectric rdquo or ldquo IR motion rdquo sensors Circuit Diagram Security Alarm Using PIR Sensor complete circuit diagram security alarm is given below Read More

Clap Switch : Circuit and Its Working

An electronic device that can turn off by clapping is called a clap switch It can control light appliances by users' clap action also It was invented by Stevens R Carlile and E Dale Reamer in The main advantage of this circuit or device is that it is mainly helpful for a mobility-impaired person The condenser mic is one of the main parts of the circuit that takes input clap sound based on the pitch of the clap This article gives an overview of the clap switch Electrical pulses are the desired input to the clap switch circuit What is Read More

Flashing Police Lights Circuit

This nbsp Police Style Strobe Light Circuit nbsp using timer ICs shows the familiar lights used on police cars To achieve this nbsp Police Style Strobe Light effect two groups of LEDs are used Each group has four LEDs and they turn on and off alternately like a Police Style Strobe light Whenever a group of LEDs is activated its LEDs turn on and off three times at specific time intervals LEDs are red for one group and blue for the other group This Police Style Strobe Light circuit uses two timer ICs When the circuit is turned on st Read More

Voltage Regulator Circuits using Transistor and Zener Diode

A Voltage Regulator Circuit uses a Transistor in electrical circuits that are used to change the level of the output signal Its main purpose is to change the power supplied to the load Using the device they control the speed of electric motors the level of illumination the sound volume and the heating of devices In radio stores you can buy a finished product but it rsquo s easy to make a voltage regulator with your own hands Voltage Regulator Circuits using Transistor Circuit Diagram A circuit diagram of a simple voltage regulator circuit is given below It is the Read More
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