Thanks for the help were are in the early stages but you gave us a good idea to go off of. Right now were just buying parts and trying to get some ideas down we bought the transducers you talked about and your right thats what we needed. For now the teacher is letting us take it slow but in...
I need to make a prototype that will indicate, through both leds and audio tones, whether a person within its target area of 10 ft is walking or running. Unit will transmit a ultrasonic wave into the target area and will detect the Doppler shift of the reflected waves to determine the velocity...