Products for USB Sensing and Control
Products for USB Sensing and Control

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PHIDGETS Inc.

Unit 1 - 6115 4 St SE
Calgary AB  T2H 2H9
+1 403 282-7335

Sharp Distance Sensor (10-80cm)

ID: 3521_0
Recommended for new designs: Phidgets Inc. is not the original manufacturer for this product, but we intend to sell it (or a similar replacement with a compatible form, fit and function) for as long as it is available from the supplier.

Using reflected IR light, measure the distance of an opaque object 10-80cm away.

$12.00 Quantity Available: 138 Qty Price 5$11.52
10 $11.04 25$10.80
50 $10.68 100$10.56

This popular sensor made by Sharp produces an analog output that varies from 3.1V at 10cm to 0.3V at 80cm.

Based on "typical values" from Sharp, the formula to translate output voltage ratio into Distance is:

Distance (cm) = 4.8/(VoltageRatio - 0.02)

This sensor can find the distance to objects that present a very narrow edge such as a wall at a very sharp angle.

Note: The output of this sensor will vary from unit to unit, and based on the characteristics of the target (reflectance, size, direction of motion, and object alignment). Our formula is based on the data provided by Sharp. If you find that you are not getting good results with the standard formulas, you may want to derive your own formula to better characterize your situation.

Connection

The sensor plugs in the 1101 - IR Distance Adapter. See the Connection & Compatibility tab for details.

1101_0 $7.00 VoltageRatio Input Product Specifications Sensor Properties Sensor Type Distance (Infrared) Controlled By Sharp Adapter Sensor Output Type Ratiometric Measurement Distance Min 100 mm Measurement Distance Max 800 mm Response Time Max 50 ms Electrical Properties Supply Voltage Min 4.5 V DC Supply Voltage Max 5.5 V DC Current Consumption Max 40 mA Physical Properties Weight 3.5 g Operating Temperature Min -10 °C Operating Temperature Max 60 °C Customs Information Canadian HS Export Code 9027.50.00 American HTS Import Code 9027.50.40.60 Country of Origin JP (Japan) Documents If you are not getting good results with the standard formula, have a look at the product datasheet which has good notes on what can affect the sensor's performance Accuracy All measurements are based on data provided by Sharp who used an r-27 calibration card, 90% reflectance. Based on our formula, we have calculated a minimum and maximum distance with the card at minimum and maximum distance. Code Samples  Choose a Language Choose a Device Serial Number: ? Example Options Downloads  Make your selections to display sample code.  Here's a full list of distance sensors to choose from: Product Sensor Properties Image Part Number Price Sensor Type Controlled By Measurement Distance Min Measurement Distance Max 1146_0B$5.00 Distance (Infrared) VoltageRatio Input 1.5 mm 4 mm
3520_0 $14.00 Distance (Infrared) Sharp Adapter 40 mm 300 mm 3521_0$12.00 Distance (Infrared) Sharp Adapter 100 mm 800 mm
3522_0 $16.00 Distance (Infrared) Sharp Adapter 200 mm 1.5 m DST1000_0$30.00 Infrared (Time-of-Flight) VINT 4 mm * 170 mm
DST1001_0 $30.00 Infrared (Time-of-Flight) VINT 20 mm * 650 mm DST1002_0$35.00 Infrared (Time-of-Flight) VINT 20 mm * 1.3 m