Monday, December 22, 2014

Wide Angle PIR Sensor Component

Eltronicschool. - There are many sensor component that provided to user in the electronic market now. One sensor component that very useful is PIR or Pyroelectric Infra Red. PIR sensor is a pyroelectric device, and it detects motion by sensing changes in the infrared levels emitted by surrounding objects. So, you can use this sensor to detect motion of object like human, anamils, and others.

Figure 1. Parallax PIR sensor Component

One kind of PIR sensor is Wide Angle PIR Sensor from Parallax. Similar in functionality to the PIR Sensor, the Wide Angle PIR Sensor features a larger detection angle of 180˚. This makes it ideal in applications where users need to track movements across a large, open area.   The Wide Angle PIR Sensor is a pyroelectric device, and it detects motion by sensing changes in the infrared levels emitted by surrounding objects. When motion is detected, the Wide Angle PIR Sensor outputs a high signal on its output pin.

Key Features:

  1. 180˚ detection angle for widespread motion detection
  2. Typically detects people up to 30 ft away
  3. User-selectable "night-time mode" for detecting motion in decreased lighting conditions
  4. Adjustable sensitivity to tune for different operating conditions
  5. 4-pin SIP package perfect for breadboard-friendly projects
  6. Small size and mounting holes for easy concealment

Application Ideas:

  1. Motion-activated nightlight
  2. Alarm system
  3. Holiday animated props
And you also can read the detail information about Wide Angle PIR Sensor Component as follow:

  1. Voltage requirements: 3.0 to 6.0 VDC
  2. Current requirements: 150 uA idle, 3 mA active (no load)
  3. Communication: Single-bit high/low output
  4. Dimensions: 1.42 x 1.42 x 0.79 in (36.0 x 36.0 x 20.2 mm)
  5. Operating temperature range: 32 to 122 °F (0 to 50 °C)
Source: Parallax.com


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