
DISTANCE SENSORS
Ultrasonic Range Finder
Compact, easy to use, Ultrasonic Range Finder, will measure from 3cm to 3 meters, with an accuracy of 2cm. Ideal for use with Robots and Security Systems. A simple trigger pulse is required and the unit automatically measures the distance, returning the value of the distance by the length of the pulse width through the signal pin. Uses a standard TTL 5V supply and can be used with most microcontrollers.
Part Code: RANGEFINDER
Pricing
Features
Simple, Easy to Use, No Set-Up Required
Measurement Range: 3cm to 3m
Measurement Accuracy: ±2cm
Power Supply and Signal Voltage: 5Vdc
Power Consumption: >15mA
Operating Temperature: 0oC to +70oC
Dimensions: 50mm Width, 25mm Height, 17.5mm Depth
http://futurlec.com/Distance_Sensors.shtml--------------------------
Я видел на одном видео, как с этим датчиком сделано что-то типа упрощённого терменвокса.
Каков принцип работы?
Какие параметры там меняются, при поднесении руки?