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4Pcs Geekcreit® Ultrasonic Module HC-SR04 Distance Measuring Ranging Transducers Sensor DC 5V 2-450cm
4xSKU339956
9 Reviews
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Description
- weight: 485 g
Working Voltage : 5V(DC)
Static Current: Less than 2mA.
Output Signal: Electric frequency signal, high level 5V, low level 0V.
Sensor Angle: Not more than 15 degrees.
Detection Distance: 2cm-450cm.
High Precision: Up to 0.3cm
Input Trigger Signal: 10us TTL impulse
Signal : output TTL PWL signal
Mode of connection:
VCC
trig(T)
ech0(R)
GND
Use Method:
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.
Module Working Principle:
1. Adopt IO trigger through supplying at least 10us 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 (340M/S) / 2.
Note:
This module is not suitable to connect with electric power, if you need to connect this module with electronic power,then let the GND terminal of this module to be connected first,otherwise, it will affect the normal work of the module
Package Included:
4 x HC-SR04 Ultrasonic Module Distance Measuring Transducer
More Details
customers reviews ( 9 )
5
/ 5.0
5 stars
100%
4 stars
0%
3 stars
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2 stars
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1 stars
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By BG161321484
Works OK
2022-08-08 00:00:00
By pmilivojp
looks good
2021-07-24 00:00:00
By BG123145635
okay
2021-05-31 00:00:00
By kapniast
Very Good
2021-05-26 00:00:00
By pit
simply great!
2021-05-08 00:00:00
By TheVexxedCoder
no bent pins and nice quality. have not tested yet but there are 4 so 1 should work haha
2021-04-10 00:00:00
By Kopteropa
am 23.01.2021 erhalten, alles ok
2021-01-23 00:00:00
By mjssantos
Ainda não os utilizei, mas são de muito boa qualidade de construção.
2021-01-22 00:00:00
By BG103216545
جيد
2020-12-17 00:00:00
