Electronics Projects, Theory and Tutorials

Police Lights Themed Flashing LED Circuit Using 555 IC

A tutorial on how to make a Police Lights themed LED Flashing/Blinking LED circuit using 555 timer IC and a few other electronics components. This circuits alternatively flashes...

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Police Siren Circuit Using 555 IC

A tutorial on how to make a police siren circuit using 555 timer IC and a few other electronics components. This circuit smoothly transitions the output sound between two different...

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Model Traffic Lights Circuit Using 555 IC

A tutorial on how to make a model traffic lights circuit using 2 555 timer IC’s and a few other electronics components. This circuit turns ON green LED, keeps it ON for some...

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Light Sensor and Darkness Detector Circuit Using LDR + 555 IC

A tutorial on how to make a light sensor circuit plus darkness detector circuit using 555 timer IC and a few other electronics components. When this circuit is configured as a...

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Fastest Finger First Circuit using 555 IC For Organizing Quizzes

A tutorial on how to make a fastest finger first circuit which can track the first person to press the trigger or Buzzer. This circuit consists of multiple replicas of a module,...

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Light Sensor Circuit Using LDR and 555 Timer IC with Adjustable sensitivity

In this tutorial we’ll learn how to make a light sensor circuit using LDR (Light Dependent Resistor), 555 timer IC and a few other electronics components. This circuit...

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