Tuesday, January 12, 2010

Distance and Motion Sensors



The following sensors respond to the movement and proximity of an object/user. The sensor responds by sending data through a processor and into software that can analyze and determine a set response.











Infrared Proximity Sensor


Description: Analog infrared distance sensor has an analog output that varies from 3.1V at 10cm to 0.4V at 80cm. The sensor has a Japanese Solderless Terminal (JST) Connector. Combined with settings determined in the Arduino or Processing software receiving the input signal, a response can be determined.











Infrared Transmitter & Receiver













Piezo Vibration Sensor - Large with Mass

Description: This basic piezo sensor is often used for flex, touch, vibration and shock measurements. A small AC and large voltage (up to +/-90V) is created when the film moves back and forth. A simple resistor should get the voltage down to ADC levels. Can also be used for impact sensing or a flexible switch.

Comes with solderable crimp pins and a mass attached to the tip. This mass increases the sensitivity to motion.

Features:

  • Flexible PVDF Piezo Polymer Film
  • Wide dynamic range
  • Laminated for higher voltage output
  • 0.1" breadboard friendly leads


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