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Ultrasonic sensor OKY3261

Okystar | OKY3261

Out of stock.

Price of goods is 3.69 €.

Weight of goods is 0.01 Kg.

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HC-SR04 Ultrasonic Sensor Module Ultrasonic Distance Sensor

  • HC-SR04 ultrasonic module can offer non-contact distance sensing function;
  • Includes ultrasonic transmitter, receiver and control circuit;
  • Operation requirement: Take IO port TRIG to trigger ranging.It needs 10 us high level signal at least.
  • Operating principle :
  • It can send 8 pro 40 kz square wave automatically, and will test if there is any signal returned.
  • If there is signal returned, output one high level signal via IO port ECHO.
  • The duration of the high level signal is the time from transmitter to receiving with the ultrasonic.