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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

4.5715
$9.99 / $12.19
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$1.72 / $12.19
Shipping to: United States | Express delivery: 7-12 business days | Standard delivery: 15-25 business days

Ka sɛn sɔgɔsɔgɔninjɛ

Sɔnni hɔrɔn
Sɔnni hɔrɔn o sɔnni bɛɛ la
Ka taa cogo
Ka taa hɔrɔn $9.9 kɔnɔ
Ka segin cogo
Sɔnni segin bɛ se ka sɔrɔ 40 don kɔnɔ Sɔnni yɛlɛman tɛ segin Sɔnniw minnu bɛ sɔn ni kaati hɔrɔn, olu tɛ segin

Sɔnni Hɔrɔn

I ni ce Roymall, i ka sɔnniw siti. An bɛ i ka dɛmɛ fɛɛrɛ. O sɔnni hɔrɔn bɛ kɛ i ka sɔnni kɛnɛ kan.

Ka Taa Cogo

An bɛ sɔnniw taa i ka so la 2 don kɔnɔ. Kɛnɛ cɛsiri bɛ se ka kɛ 5-7 don kɔnɔ.

1. Ka Segin Cogo

Sɔnniw bɛ segin 40 don kɔnɔ. Sɔnni yɛlɛman tɛ segin.

2.Ka Sɛn Segin

I bɛ sɛn sɔrɔ segin kɔnɔ.
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

Electronics Ranking
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
n
n3Pcs Geekcreit® Ultrasonic Module HC-SR04 Distance Measuring Ranging Transducer Sensor DC 5V 2-450cm Geekcreit for Arduino - products that work with official Arduino boards
n
n3Pcs Geekcreit® Ultrasonic Module HC-SR04 Distance Measuring Ranging Transducer Sensor DC 5V 2-450cm Geekcreit for Arduino - products that work with official Arduino boards
n
n3Pcs Geekcreit® Ultrasonic Module HC-SR04 Distance Measuring Ranging Transducer Sensor DC 5V 2-450cm Geekcreit for Arduino - products that work with official Arduino boards
n
n3Pcs Geekcreit® Ultrasonic Module HC-SR04 Distance Measuring Ranging Transducer Sensor DC 5V 2-450cm Geekcreit for Arduino - products that work with official Arduino boards
n
n3Pcs Geekcreit® Ultrasonic Module HC-SR04 Distance Measuring Ranging Transducer Sensor DC 5V 2-450cm Geekcreit for Arduino - products that work with official Arduino boards
n
n3Pcs Geekcreit® Ultrasonic Module HC-SR04 Distance Measuring Ranging Transducer Sensor DC 5V 2-450cm Geekcreit for Arduino - products that work with official Arduino boards
n
n3Pcs Geekcreit® Ultrasonic Module HC-SR04 Distance Measuring Ranging Transducer Sensor DC 5V 2-450cm Geekcreit for Arduino - products that work with official Arduino boards
n
n3Pcs Geekcreit® Ultrasonic Module HC-SR04 Distance Measuring Ranging Transducer Sensor DC 5V 2-450cm Geekcreit for Arduino - products that work with official Arduino boards

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  • 27/07/2016

    Cost 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-zero

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  • 05/05/2021

    Produto de qualidade excelente.

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