1pcs Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor for Arduino For Sale
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1pcs Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor for Arduino:
$1.08
1Pcs Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor for Arduino
Product information
100% brand new
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
Package Includes
1Pcs Modules
Payment
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PayPal
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Shipping PolicyDelivery Time
We ship to worldwide, it usually takes 10-30 Business Days to delivery.
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Items will be shipped within 1 to 3 business days upon payment received or cleared.
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Return PolicyWe appreciate your business and offer an instant 7 days return policy.(7 days after receive the item). The returned item has to be in its original condition. We are able to refund your money without shipping cost. Contact usFor anything about product, price, shipping or order status, please contact us via message.We love positive response and 5 scores DSR. We will leave it for everyone that leaves it for us.
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