LV-MaxSonar-EZ4 with Buzzer and with Arduino PRO MINI 5V 16MHz

Other Hardware Sensors
1

Hi
I would like to ask you for a help.

  1. What I have.
    LV-MaxSonar-EZ4 with Buzzer and with Arduino PRO MINI 5V 16MHz

  2. What I would like to receive.
    Buzzer sound when object will appear below e.g 25cm.

  3. What I found.
    Arduino Playground - MaxSonar

3.1. What I have used.
PW with mode filter.

  1. What stops me.
    I don't know how to add to above code details regarding distance limitation with buzzer sound.

Would you be able support me with this code?

2

Read up on the "if" statement: if - Arduino Reference