Water level Indicator using Ultrasonic reverse parking sensor.......

Hello guys..... I am making a water level indicator using single ultrasonic transducer....I have the sensor which is used in parking sensor... I have referred the circuit from http://www.guiott.com/QuadSonar/QuadSonar.html but it is just transmitting the pulses and i am not getting any echo pulses.........Or something you can suggest me ? I m gonna make my system using pic 16f886....... Thank you...... :confused: :confused: :confused:

YGSH123: I m gonna make my system using pic 6f886

You're in the wrong place - this is an Arduino forum, not a PIC forum. And I guess you mean a 16F886, not a 6F886.