Using Ultra Sonic range measurement module
Using this ultrasonic range measurement module http://www.seeedstudio.com/wiki/Ultra_Sonic_range_measurement_module.
Quote:
Features
Detecting range: 3cm-4m / Best in 30 degree angle / Electronic brick compatible interface / 5VDC power supply / Breadboard friendly / Dual transducer / Arduino library ready
Please log in to post comments.