This is the Ultrasonic Sensor – HC-SR04. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04 module includes an ultrasonic transmitter, a receiver and a control circuit. There are only four pins that you need to worry about on the HC-SR04: VCC (Power), Trig (Trigger), Echo (Receive), and GND (Ground). You will find this sensor very easy to set up and use for your next range-finding project! Ultrasonic Sensor – HC-SR04 price in bangladesh only from 75-80 taka. sometime it called by sonar sensor.
Features of Ultrasonic Sensor – HC-SR04 :
- Power Supply :+5V DC.
- Quiescent Current : <2mA.
- Working Current: 15mA.
- Effectual Angle: <15°
- Ranging Distance : 2cm – 400 cm/1″ – 13ft.
- Resolution : 0.3 cm.
- Measuring Angle: 30 degree.
- Trigger Input Pulse width: 10uS.
- VCC: +5VDC
- Trig : Trigger (INPUT)
- Echo: Echo (OUTPUT)
- GND: GND
Arduino with Ultrasonic Sensor – HC-SR04
This sensor is very popular among the Arduino tinkerers. So, here we provide an example on how to use the HC – SR04 ultrasonic sensor with the Arduino. In this project the ultrasonic sensor reads and writes the distance to an object in the serial monitor.
The goal of this project is to help you understand how this Ultrasonic Sensor – HC-SR04
works. Then, you should be able to use this example in your own projects.
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