Engineering

Ultrasonic sensor(HC-SR04)

What is ultrasonic sensor ? ultrasonic sensor is an electronic device which is used to calculate the distance of an object using ultrasonic waves. Like bats,It also uses ultrasonic sound waves. How it works? Ultra sonic sensor consists of a transmitter and a receiver. Transmitter: It transmits the ultrasonic waves and it is reflected back …

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7 Segment LED Display

In this tutorial, just we see about the pin mode or pin diagram of 7 Segment LED Display. What is a 7 segment display? It is a component which is used to display the numbers or letters. It also contains the decimal point, Totally there are 9 LED’s are present inside the display. Totally 10 …

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