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New wholesale HC-SR04 Ultrasonic Sensor 4pin for UNO R3New wholesale HC-SR04 Ultrasonic Sensor 4pin for UNO R3New wholesale HC-SR04 Ultrasonic Sensor 4pin for UNO R3New wholesale HC-SR04 Ultrasonic Sensor 4pin for UNO R3New wholesale HC-SR04 Ultrasonic Sensor 4pin for UNO R3

New wholesale HC-SR04 Ultrasonic Sensor 4pin for UNO R3

  • 1. Detection distance: 2cm – 450cm, super close blind spots ( 2cm )
  • 2. Provides a full set of ranging process
  • 3. Measuring precision up to 3mm
  • 4. Adopt IO trigger through supplying at least 10us sequence of high level signal
  • 5. The module automatically send eight 40KHz square wave and automatically detect whether receive the returning pulse signal
  • 6. If signals returning, through outputting high level and the time of high level continuing is the time that from the ultrasonic transmitting to receive
  • 7. Static current: less than 2mA
  • 8. Working voltage : DC 5V
  • 9. Output signal: electric frequency signal, high level 5V, low level 0V
  • 10. Sensor angle: not more than 15 degrees
  • 11. Mode of connection: VCC / trig ( T ) / echo ( R ) / GND

Product Feature :
HC-SR04 ultrasonic module can offer non-contact distance whose range sensing is up to 2mm function with the range of 2cm - 400cm. And the range accuracy is up to 2mm.
This module includes ultrasonic transmitter, receiver and control circuit.


Module Technical Parameters :

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
 Echo signal

output TTL PWL signal



Mode of Connection :
1. VCC
2. Trig(T)
3. Echo(R)
4. GND

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Shenzhen E-Smart Technology Co., Ltd

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Contact Person:Shary

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