0x3FF is the maximum value you can get from the 10 bit ADC. So either you have _way_ overheated your board, in one way or another, or you are not reading it correctly. Put the board in the freezer or try a different ADC channel to see what you get.
MS Varun Jain wrote: > Hi, > > I am currently trying to set up a WSN using tinyos-2.x. I have Chipcon’s > CC2420DBK with me, it has an onboard temperature sensor LM61 attached to > it with atmega128 processor. I am trying to read the temperature values > from this sensor, I am constantly getting 0x3ff as my data in the raw > packet using the Listen tool. I am trying to get Oscilloscope > application running. I am reading the value on ADC3 channel on PortF3. > > > > I read somewhere you discussing about this value. Can you guide me as to > what does this value depict, I think I am reading wrong values as I > keep the board in front of hot air source which really heats up the > sensor but still it gives the same value. > > > > Any help or direction will really help… > > > > Varun Jain > > R&D Engineer > > Spiderbox Pty. Ltd. > > P: +617 3318 9509 > > F: +617 3318 9595 > > M: +61401 091 248 > > E: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > > W: http://www.spiderbox.com.au <http://www.spiderbox.com.au/> > > email_footer > > > > > ------------------------------------------------------------------------ > > _______________________________________________ > Tinyos-help mailing list > [email protected] > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
