OpenSmart

Dual ultrasonic sensor

Item No.: ST1099


1.Instructions

The HC-SR04  is an inexpensive ultrasonic sensor that can sense not only if an object presents itself, like a PIR sensor, but can also sense and relay the distance to that object.

 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


2. Pin Instruction


Pin Name

Description

“Vcc”

Power (5V  DC)

“Trig”

Trigger the transmit signal

“Echo”

Echo the received echo signal

“Gnd”

Gnd


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