Sintron HC-SR04 Ranging Detector Mod Distance Sensor  for Arduino Robot
Sintron HC-SR04 Ranging Detector Mod Distance Sensor  for Arduino Robot
Sintron HC-SR04 Ranging Detector Mod Distance Sensor  for Arduino Robot
Sintron HC-SR04 Ranging Detector Mod Distance Sensor  for Arduino Robot
Sintron HC-SR04 Ranging Detector Mod Distance Sensor  for Arduino Robot

Sintron HC-SR04 Ranging Detector Mod Distance Sensor for Arduino Robot

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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


Features
Providing 2cm to 400cm of non-contact measurement.
Stable performance, accurate measurement range.
Using IO trigger for at least 10us high level signal.
The ranging accuracy can reach to 3mm.
The modules includes ultrasonic transmitters, receiver and control circuit.
The basic principle of work:
The Module automatically sends eight 40 kHz and detect whether there is a pulse signal back.
IF the signal back, through high level , time of high output IO duration is the time from sending ultrasonic to returning.
Distance = ((Duration of high level)*(Sonic :340m/s))/2.


Specifictions
Power supply: 5V DC
Quiescent current: <2mA
Effectual angle: <15°
Ranging distance: 2cm â€/500 cm
Resolution: 0.3 cm


There are 4 pins out of the module: VCC, Trig, Echo, GND.
So it's a very easy interface for controller to use it ranging.

The all process is:
Pull the Trig pin to high level for more than 10us impulse
The module start ranging
Finish ranging
If you find an object in front
Echo pin will be high level
Based on the different distance, it will take the different duration of high level.
Distance = ((Duration of high level)*(Sonic :340m/s))/2


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.

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.

CP239-1CP239-2
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