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Ultrasonic Distance Sensor HC-SR04 Module for Arduino

EGP45.00
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Ultrasonic Distance Measuring Sensor HC-SR04 Module for Arduino

Module main technical parameters:
- Model: HC-SR04
- Working Voltage : 5V(DC)
- Static current: Less than 2mA.
- Operating current: 15mA.
- 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
- Echo signal : output TTL PWL signal
- Test distance=((Duration of high level)*(Sonic: 340m/s))/2

Pins assignment:
1.VCC
2.trig (T)
3.echo (R)
4.GND

Product details:
Product Dimensions : 5 x 4 x 3 cm; 160 Grams
Item Weight : 160 g
Item Dimensions LxWxH : 50 x 40 x 30 Millimeters

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The HC-SR04 ultrasonic sensor uses sonar to measure distance to an object. It offers excellent range accuracy and stable readings in an easy-to-use package. It operation is not affected by sunlight or black material like Sharp rangefinders are (soft materials like cloth can be difficult to detect).

The basic operation principle is:
use IO port TRIG to trigger ranging. It needs 10 us high level signal at least Module will send eight 40kHz square wave automatically, and will test if there is any signal returned. If there is signal returned, output will be high level signal via IO port ECHO. The duration of the high level signal is the time from transmitter to receiving with the ultrasonic.
Testing distance = duration of high level sound velocity(340m/s) / 2
You can use the above calculation to find the distance between the obstacle and the ultrasonic module.
Good for learning basic knowledge about Arduino and sensors

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Ultrasonic Distance Sensor HC-SR04 Module for Arduino

Ultrasonic Distance Measuring Sensor HC-SR04 Module for Arduino

Module main technical parameters:
- Model: HC-SR04
- Working Voltage : 5V(DC)
- Static current: Less than 2mA.
- Operating current: 15mA.
- 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
- Echo signal : output TTL PWL signal
- Test distance=((Duration of high level)*(Sonic: 340m/s))/2

Pins assignment:
1.VCC
2.trig (T)
3.echo (R)
4.GND

Product details:
Product Dimensions : 5 x 4 x 3 cm; 160 Grams
Item Weight : 160 g
Item Dimensions LxWxH : 50 x 40 x 30 Millimeters

Write your review