Ok but I am still a beginner, how do I check that ? On Sun, Nov 27, 2011 at 3:03 PM, Michael Schippling <[email protected]>wrote:
> Check to see that the O'scope program is configured to sample > the light sensor. It may be using something else. I remember > one less than spectacular demo that used the battery voltage... > > MS > > Baudry Arthur wrote: > >> Good afternoon to both of you, >> Thanks for your answer, I was away for a few days and I'm just seeing it >> now. About the sensor type, I have no idea my mote is supposed to be a >> telosb, if I do a motelist the reference is M4AP1122 and the description is >> Sensilla tmote sky. I don't know what exactly is the type of the sensor, >> this a light sensor mounted on the telosb node. I am seeing anything >> changing when I cover the sensor with my finger, that's why I know that >> there is a problem but I don't know how to fix it, I'm using oscilloscope >> to send the data to another node equipped with basestation and the value >> displayed after conversion are around 3900 just like the values I can >> observe when I run the Java GUI for Oscilloscope. If you have any ideas, >> they are welcome :) >> Have a good day >> >> On Fri, Nov 25, 2011 at 12:26 AM, Urs Hunkeler <[email protected] <mailto: >> [email protected]>> wrote: >> >> Hi, >> >> I remember getting values close to 0 (< 50) when it is dark and >> values just slightly greater than 1000 when it is very bright >> (without any conversion). If your values don't change much, I think >> there is a problem with the sensor. You should see a clear drop >> (50%?) when you cover the light sensor with your finger. >> >> Cheers, >> Urs >> >> >> On 11/24/11 7:37 PM, Baudry Arthur wrote: >> >> Good afternoon everyone, >> >> I use a telosb node equipped with a light sensor, I have >> succeeded in >> receiving data from the node on my laptop, but for me the data are >> talking non sense because I always get a value next to 4000 (when I >> convert the readings to a decimal value) even if it is dark in >> my place. >> Is there a way to treat those data, I know that for example for >> temperature data we have to apply a formula to get the real >> temperature >> value. Does anyone know how to interpret the light data ? >> Have a good day, regards, >> >> -- >> Arthur Baudry >> ESEO >> >> >> >> ______________________________**___________________ >> Tinyos-help mailing list >> Tinyos-help@millennium.__berke**ley.edu <http://berkeley.edu> >> >> <mailto:Tinyos-help@**millennium.berkeley.edu<[email protected]> >> > >> https://www.millennium.__berke**ley.edu/cgi-bin/mailman/__** >> listinfo/tinyos-help<http://berkeley.edu/cgi-bin/mailman/__listinfo/tinyos-help> >> >> <https://www.millennium.**berkeley.edu/cgi-bin/mailman/** >> listinfo/tinyos-help<https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help> >> > >> >> >> >> >> >> -- >> Arthur Baudry >> ESEO >> >> ------------------------------**------------------------------** >> ------------ >> >> >> ______________________________**_________________ >> Tinyos-help mailing list >> Tinyos-help@millennium.**berkeley.edu<[email protected]> >> https://www.millennium.**berkeley.edu/cgi-bin/mailman/** >> listinfo/tinyos-help<https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help> >> > -- Arthur Baudry ESEO
_______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
