Part Number: HC-SR04
Function: Ultrasonic Ranging Detector Sensor Module
Package: 4pin Module Type
Manufacturer: Ultrasonic
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Description
This is the HC-SR04 ultrasonic ranging sensor. 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).
Detail Information
1. Power supply : 5V DC
2. Quiescent current : 2mA
3. Effectual angle : 15 degree
4. Ranging distance : 2cm – 450 cm
5. Resolution : 0.3 cm
Pinout and Electrical parameters
Features
1. Stable performance
2. Accurate distance measurement
3. High-density
4. Small blind
Application Areas :
1. Robotics barrier
2. Object distance measurement
3. Level detection
4. Public security
5. Parking detection
Referece Site
1. https://www.sparkfun.com/products/13959
2. http://www.elecfreaks.com/estore/hc-sr04-ultrasonic-sensor-distance-measuring-module-ultra01.html
3. https://github.com/JRodrigoTech/Ultrasonic-HC-SR04 ( Ultrasonic HC-SR04 library for Arduino IDE )
HC-SR04 Datasheet
