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What is a PIR Sensor?

Introduction PIR Sensor is short for passive infrared sensor, which are used for projects that need to detect human or particle movement in a limited…

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Basic about SEMICONDUCTOR

SEMICONDUCTOR It is a material which has a resistance in between that of a conductor and an insulator. A semiconductor which is in purest form…

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How to make Digital Thermometer using DHT Sensor

Introduction  As we know, Thermometer is very useful apparatus for measuring temperature. There are different ways to measure temperature and it is an important part…

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Basic about Ohm’s law

It states that the current through a conductor between two points is directly proportional to the voltage across the two points. If we know any two values of the…

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WHAT IS ELECTRICITY

ABOUT CIRCUIT This circuit shows how electric current flows in a circuit from positive to negative, from higher potential difference to lower potential difference. ABOUT…

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LED (LIGHT EMITTING DIODE)

BASIC ABOUT LED :-   A light-emitting diode (LED) is a semiconductor device.   It is a semiconductor light source.   It  emits light when an electric current is…

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BASIC ABOUT NODE MCU ON ARDUINO

Introduction: The Node MCU is an open source firmware and development kit that helps you to prototype your IoT product with ArduinoIDE or in few…

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