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Activities/Turtle Art/Using Turtle Art Sensors
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Revision as of 21:06, 1 December 2010
331 bytes added
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21:06, 1 December 2010
→Light dependant resistor (LDR)
Line 320:
Line 320:
http://www.jaycar.com.au/productView.asp?ID=RD3480
http://www.jaycar.com.au/productView.asp?ID=RD3480
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For this cell, the calibration was Lux = 3*10^8*(R)^-1.5034
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[[File:Ldr calibration.jpg]]
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For the XO1 (700 ohms -14k ohms) the range is 140 Lux to 15000 Lux (brighter home artificial light to outdoor overcast).
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For the XO1.5 (2k ohms - open circuit) the range is 2 Lux to 4000 Lux (home artificial lighting to indoor daylight).
==Links==
==Links==
Tonyforster
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