I TRY THIS BUT NOT | Microcontroller › 8051 › MICRO CONTROLLER BASED ULTRASONIC DISTANCE MEASUREMENT SYSTEM › I TRY THIS BUT NOT April 10, 2014 at 6:22 pm #11520 amit d vekariyaParticipant I TRY THIS BUT NOT WORKING..I HAVE CHECKED THE VOLTAGE AT ECHO PIN. OF HCSR04 BUT THERE IS NO VARIATION IN VOLTAGE.
