Subject:
|
Re: light sensor question
|
Newsgroups:
|
lugnet.robotics.rcx
|
Date:
|
Thu, 31 Jul 2003 08:37:27 GMT
|
Viewed:
|
3440 times
|
| |
|
|
In lugnet.robotics.rcx, Jona Jeffords wrote:
> In lugnet.robotics.rcx, Vidhyanath Rao wrote:
> >
> > I suspect that the spectral composition of the lights are quite
> > different. As to what the difference is, I have no clue. But it should
> > be available somewhere.
> >
> > Along the same lines, the technical answer to the original question is
> > the response curve of the light sensor. This should also be available.
> > Does anyone know? [Does the light sensor use photo-transistors from a
> > fixed manufacturer, or does it change over time?]
>
> A friend of mine suggests that the poor response of the sensor to the LED is
> because the light from the LED is a single color. Where as the light from the
> incandescent bulb is white light which apparently contains many if not all of
> the colors.
>
> Jona
I've done a lot of readings with the light sensor and analysed them. If you want
to have a look you can go to http://privatewww.essex.ac.uk/~mkogut/Report.doc .
If you look in the appendix of that document you'll find information on the
light sensor (and many other things...)
Magdalena
|
|
Message is in Reply To:
 | | Re: light sensor question
|
| (...) A friend of mine suggests that the poor response of the sensor to the LED is because the light from the LED is a single color. Where as the light from the incandescent bulb is white light which apparently contains many if not all of the (...) (21 years ago, 29-Jul-03, to lugnet.robotics.rcx)
|
9 Messages in This Thread:
 
 
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
