Subject:
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table brickos light to percent
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Thu, 27 May 2004 18:40:33 GMT
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Viewed:
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5383 times
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i there a table or converter from brickos light readings to light
percentage ( and vice versa )
Thomas
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Message has 2 Replies:
 | | Re: table brickos light to percent
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| (...) Hi Thomas, Here's the formula used in the dsensor.h include file: #define ds_scale(x) ((unsigned int)(x)>>6) //!< mask off bottom 6 bits #define LIGHT(a) (147 - ds_scale(a)/7) //!< map light sensor to 0..LIGHT_MAX This maps the raw sensor (...) (20 years ago, 27-May-04, to lugnet.robotics.rcx.legos)
| | | Re: table brickos light to percent
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| In my opinion, the best way to approach this is the following: When the program starts, begin a Calibration, by first activating the light sensor, then reading the value. You can either wait a specific amount of time or have the user press a button (...) (20 years ago, 27-May-04, to lugnet.robotics.rcx.legos)
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