Electronics Projects, Theory and Tutorials

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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DC Voltage Doubler Circuit Using 555 Timer IC

A tutorial on How to make a DC Voltage Doubler Circuit on breadboard using 555 Timer, Diodes & Capacitors. This circuit takes in a DC voltage anywhere between 5V to 15V and...

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