Ultrasonic Module HC-SR04 Distance Measuring Transducer

Ultrasonic Module HC-SR04 Distance Measuring Transducer

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Ultrasonic Module HC-SR04 Distance Measuring Transducer

Description: This is the HC-SR04 ultrasonic ranging sensor. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04 module includes an ultrasonic transmitter, a receiver and a control circuit.

There are only four pins that you need to worry about on the HC-SR04: VCC (Power), Trig (Trigger), Echo (Receive), and GND (Ground). You will find this sensor very easy to set up and use for your next range-finding project!

 

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

 

 




Abbiamo disponibili datasheet di tutti i componenti, qualora non fosse presente nella scheda download del prodotto inviaci un messaggio dal modulo contattaci e lo pubblicheremo il prima possibile nel nostro sito.

 

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Ultrasonic Module HC-SR04 Distance Measuring Transducer

Ultrasonic Module HC-SR04 Distance Measuring Transducer

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