GH-311 ULTRASOUND MOTION SENSOR USER'S GUIDE
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GH-311Ultrasound Motion Sensor The GH-311 ultrasonic Motion sensor provides precise, non-contact distance measurements from about 2 cm (0.8 inches) to 3 meters (3.3 yards). It is very easy to connect to microcontrollers such as the BASIC Stamp®, SX or Propeller chip, requiring only one I/O pin. T...
