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Sense Stage Workshop » distance

Archive

Posts Tagged ‘distance’

Conductive foil

May 10th, 2009

An area of the floor will be covered with conductive foil. Then we will have a pair of shoes and a pair of gloves with conductive pads on the soles and palms. If you make a contact with these shoes or gloves, you will measure the distance between the feet or hands, as the resistance changes as the distance between the two points on the foil is longer.

Author: marije Categories: Sensors Tags: , , ,

Ultrasonic distance sensor

May 8th, 2009

The ultrasonic distance sensor, sends out an ultrasonic pulse and measures how long it takes for a reflection to get back to the device. The longer this takes, the further away the sensor is from an object.

From the robotshop website:

SRF05 - Ultrasonic Range Finder.

Voltage - 5v only required
Low Current - 4mA Typ.
Frequency - 40KHz
Max Range - 4m
Min Range - 1 cm
Modes - Single pin for trig/echo or 2 Pin SRF04 compatible.
Input Trigger - 10uS Min. TTL level pulse
Echo Pulse - Positive TTL level signal, width proportional to range.
Small Size - 43mm x 20mm x 17mm height

Amount in workshop: 2
technical documentation

Author: marije Categories: Sensors Tags: ,

Infrared distance sensor

May 8th, 2009

The infrared distance sensor, sends out an infrared pulse and measures how long it takes for a reflection to get back to the device. The longer this takes, the further away the sensor is from an object.

From the datasheet:

“GP2Y0A02YK0F is a distance measuring sensor unit, composed of an integrated combination of PSD (position sensitive detector) , IRED (infrared emitting diode) and signal processing circuit.
The variety of the reflectivity of the object, the environmental temperature and the operating duration are not influenced easily to the distance detection because of adopting the triangulation method.
This device outputs the voltage corresponding to the detection distance. So this sensor can also be used as a proximity sensor.”

Amount in the workshop: 2
datasheet

Author: marije Categories: Sensors Tags: ,