10PCS new Ultrasonic Sensor Distance Measuring Sensor arduino HC-SR04 A3GU

Description

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Description:
Module main technical parameters:
1.Working Voltage : 5V(DC)
2.Static current: Less than 2mA.
3.Output signal: Electric frequency signal, high level 5V, low level 0V.
4.Sensor angle: Not more than 15 degrees.
5.Detection distance: 2cm-450cm.
6.High precision: Up to 0.3cm
7.Input trigger signal: 10us TTL impulse
8.Echo signal : output TTL PWL signal
Mode of connection:
1.VCC
2.trig(T)
3.echo(R)
4.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 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.
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
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WE PROMISE YOU CAN GET THE ITEMS YOU PAID OR REFUND.
To USA: Send by e-package.
To other countries: Order more than , provide free tracking number. Order less than ,customer can pay to get a tracking number.
We located in the biggest electronic market in China--HQB(Shenzhen) ,Specialist in ICs over 10 years, we seek to establish long-term business relationships.
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We specialize in electronic components . ICs, Capacitors, Diodes, Resistors,LEDs,
NEW , ORIGINAL parts . please buy with confidence .We offer NO-QUESTION-REFUND
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2 business days after we received the payment . when you buy multiple items ,your shipping
cost will be combined with discount .
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