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EC041893
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Availability date: 0000-00-00
40Hz Ultrasonic Range Detection Sensor
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1、Specification:
Working Voltage : 5V(DC)
Working Current : max 15 ma
Working frequency : 40HZ
Output Signal : 0-5V (Output high when obstacle in range)
Sentry Angle : max 15 degree
Sentry Distance : 2cm - 500cm
High-accuracy : 0.3cm
Input trigger signal : 10us TTL impulse
Echo signal : output TTL PWL signal
Size : 45*20*15mm
2、Interface:
Pin :
1:VCC ; 2:trig(T);3:echo(R);4:OUT ( Don't Connect ) ; 5:GND
3、Usage:
Supply module with 5V, the output will be 5V while obstacle in range, or 0V if not.
The out pin of this module is used as a switching output when anti-theft module, and without the feet when ranging modules.
Note : the module should be inserted in the circuit before been power, which avoid producing high level of misoperation ;if not, then power again.
4、Module Working Principle :
(1) Adopt IO trigger through supplying at least 10us sequence of high level signal,
(2) The module automatically send eight 40khz square wave and automatically detect whether receive the returning pulse signal,
(3) If there is signals returning, through outputting high level and the time of high level continuing is the time of that from the ultrasonic transmitting to receiving.
Test distance = (high level time * sound velocity (340M/S) / 2,
5、Advantage :
Simple,easy to adopt in system;Beam angle to avoid disruptions;Endurable
CORZOTECH - EASY LIFE FOR INTERACTION