Ultrasonic sensor SRF04 - Arduino uno

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3

thank you very much of your teaching retrolefty.

so I should just connect the things as follows:

  1. sensor grount ---> Arduino ground;
  2. Trigger Pulse Input <---- Arduino digital output;
  3. Echo Pulse Output ------> Arduino input;
  4. sensor supply 5V <----- Arduino 5v pin.

is it correct?

nicola