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In lugnet.robotics.handyboard, Jean-Michel Mongeau writes:
> Does anyone how I could create a lookup table or an algorithm to convert the
> output of the Sharp GP2D02 (0 to 255 = byte) to values between 10 and 80 cm,
> which is the reading capability of the IR?
You mean like value = 10 + ((70 * b) / 256) ?
--Ben
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Message has 1 Reply:
 | | Re: GP2D02 conversion
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| (...) Actually, the GP2DO2's output is not at all linear. Plotting the output against the actual distance will show an exponential curve. Each one is slightly different so what I do is to make up a little table in Excel like: 0,0 70,10 116,15 142,20 (...) (25 years ago, 14-Jan-00, to lugnet.robotics.handyboard)
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Message is in Reply To:
| | GP2D02 conversion
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| Does anyone how I could create a lookup table or an algorithm to convert the output of the Sharp GP2D02 (0 to 255 = byte) to values between 10 and 80 cm, which is the reading capability of the IR? Thank you, J.M. Mongeau (25 years ago, 13-Jan-00, to lugnet.robotics.handyboard)
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