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Ultrasonic Distance Sensor, Parallax PING))), Up to 3 meters US$29.99

Ultrasonic Distance Sensor, Parallax PING))), Up to 3 meters

Parallax's PING))) ultrasonic sensor provides a very low-cost and easy method of distance measurement. This sensor is perfect for any number of applications that require you to perform measurements between moving or stationary objects. Naturally, robotics applications are very popular, but you'll also find this product to be useful in security systems or as a replacement of an infrared system if so desired. You definitely will appreciate the activity status LED and the economic use of just one I/O pin.

The sensor measures distance using sonar; an ultrasonic pulse is transmitted from the unit and the distance to the target is determined by measuring the time required for the echo return. Output from the PING))) sensor is a variable-width pulse that corresponds to the distance to the target.

A single (shared) I/O pin is used to trigger the PING))) sensor and "listen" for the echo return pulse, making for a simple interface to a BASIC Stamp or Javelin Stamp microcontroller. The intelligent trigger hold-off allows the PING))) to work with even the original BS1. An on-board three-pin header allows the PING))) to be plugged into a solderless breadboard (on a Boe-Bot, for example), and to be connected to its host through a standard three-pin servo extension cable.

Ultrasonic Range Finder Features

  • Provides precise, non-contact distance measurements within a 2 cm to 3 meter range
  • Simple pulse in/pulse out communication
  • Burst indicator LED shows measurement in progress
  • 20 mA power consumption
  • Narrow acceptance angle
  • 3-pin header makes it easy to connect using a servo extension cable; no soldering required
  • Power requirement: +5V DC
  • Communication: Positive TTL pulse
  • Dimensions: 0.81 1.8 0.6 inches (22 46 16 mm)
  • Operating temperature: 32 to 158 F (0 to 70 C)
The chirps emitted from the PING))) are at 40 kHz, well outside the range of human hearing, but well inside the range of dog and cat hearing.

Ultrasonic Range Finder Resources

Bundles with Mounting Hardware

Instead of purchasing just this sensor, you might consider one of the following bundles:

Optional Recommended Products for this Item
Aluminum Protector Stand for PING))) Ultrasonic Distance Sensor+ US$8.99
Mounting Kit & 180 Servo for PING))) Ultrasonic Distance Sensor+ US$24.99

This product was added to our catalog on Friday 25 May, 2012.


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