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3Pcs Geekcreit® Ultrasonic Module HC-SR04 Distance Measuring Ranging Transducer Sensor DC 5V 2-450cm Geekcreit for Arduino - products that work with official Arduino boards
1339
Shipping to: United States |
Express delivery: 7-12 business days |
Standard delivery: 15-25 business days
Bixinta Aamin
Hadyo Bilaash
Qaanuunka Rarida
Qaanuunka Soo CelintaHadyo Bilaash
Ku soo dhowow Roymall, websitekaaga khaaska ah ee iibsashada hadyada premium-ka ah. Waxaan qiimaynaa taageeradaada waxaana rajeynaa inaan ku muujino mahadnaqintayada iyadoo aan ku darayno hadyo bilaash ah iibsashadaada. Markaad nala iibsato, ma aadan helin oo keliya alaab tayo sare leh oo noloshaada kor u qaadaya, waxaad kaloo heli doontaa hadyo gaar ah oo khaas ah oo la socda dalabka aad sameysid. Diyaar u tahay inaad baadhidato ururkeena oo aad hesho hadyadaada gaarka ah? Raadi ururkeena ee alaabta premium-ka ah, dalabkaaga diiwaan geli, oo sug hadyadaada bilaashka ah oo la socda iibsashadaada.Qaanuunka Rarida
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Description:
Working Voltage : 5V(DC)
Static Current: Less than 2mA.
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
Ech0 Signal : output TTL PWL signal
Mode of connection:
VCC
trig(T)
ech0(R)
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 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 (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 Included:
3 x HC-SR04 Ultrasonic Module Distance Measuring Transducer
Working Voltage : 5V(DC)
Static Current: Less than 2mA.
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
Ech0 Signal : output TTL PWL signal
Mode of connection:
VCC
trig(T)
ech0(R)
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 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 (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 Included:
3 x HC-SR04 Ultrasonic Module Distance Measuring Transducer
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Customer Reviews
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A part of the review has been auto-translated.
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Kuebi VIP3DE27/07/2016Cost performance ratio is excellent. All 3 sensors arrived in good condition. But be aware: The HC-SR04 has a well-known bug (or is this really a feature???):
The sensor can stuck after measuring our of range. It delivers zero distance values permanently, even if something is quite close. There is a software workaround:
if (distance==0) {
pinMode(echoPin, OUTPUT);
digitalWrite(echoPin, LOW);
pinMode(echoPin, INPUT);
}
// OR this one
if (distance == 0 && digitalRead(ECHO_PIN) == HIGH) {
pinMode(ECHO_PIN, OUTPUT);
digitalWrite(ECHO_PIN, LOW);
delay(100);
pinMode(ECHO_PIN, INPUT);
}
}
For more see here:
https://forum.arduino.cc/index.php?topic=55119.45
https://bitbucket.org/teckel12/arduino-new-ping/issues/3/hc-sr04-sensor-get-stuck-at-zeroComments (0)Show Original -
05/05/2021
Produto de qualidade excelente.
Comments (0)Show Original -
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