Hi,Checkout this | Microcontroller › Arduino › HCSR04 distance measuring sensor › Hi,Checkout this January 5, 2015 at 9:04 am #12498 AJISH ALFREDParticipant Hi, Checkout this link http://www.engineersgarage.com/contribution/experts/distance-finder-based-at89s52-and-ultra-sonic-sensors-hc-sr04
