حساس المسافة ألتراسونيك

حساس المسافة ألتراسونيك

1.0 INTRODUCTION

 

The HC-SR04 ultrasonic sensor uses sonar to determine distance to an object like bats or dolphins do. It offers excellent non-contact range detection with high accuracy and stable readings in an easy-to-use package. From 2cm to 400 cm or 1” to 13 feet. It operation is not affected by sunlight or black material like Sharp rangefinders are (although acoustically soft materials like cloth can be difficult to detect). It comes complete with ultrasonic transmitter and receiver module.

 

Features:

  • Power Supply :+5V DC

  • Quiescent Current : <2mA

  • Working Currnt: 15mA

  • Effectual Angle: <15°

  • Ranging Distance : 2cm – 400 cm/1" - 13ft

  • Resolution : 0.3 cm

  • Measuring Angle: 30 degree

  • Trigger Input Pulse width: 10uS

  • Dimension: 45mm x 20mm x 15mm

 

 

VCC = +5VDC

Trig = Trigger input of Sensor

Echo = Echo output of Sensor

GND = GND

 

 

4.0 PRODUCT SPECIFICATION AND LIMITATIONS

 

Parameter

Min

Typ.

Max

Unit

Operating Voltage

4.50

5.0

5.5

V

Quiescent Current

1.5

2

2.5

mA

Working Current

10

15

20

mA

Ultrasonic Frequency

-

40

-

kHz

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