Not sure if you’re still working on SR04. This site may help in testing the SR04 to see if good.
http://code.google.com/p/arduino-new-ping/. I downloaded and successfully used the code sample on my Arduino Uno.
Gary
Not sure if you’re still working on SR04. This site may help in testing the SR04 to see if good.
http://code.google.com/p/arduino-new-ping/. I downloaded and successfully used the code sample on my Arduino Uno.
Gary