thanks Eric for the reply. I am using telosb motes. I have modified the oscilloscope app. For the temperature and humidity it is working fine now. i have wired the SensirionSHT11 for humidity and temp. and used this formula for temp to give me sensible results - 38.4 + 0.0098 * (data).
For light I've wired HamamatsuS1087ParC() and it gives me results around 65000. which formula to use for Light to convert these results to be sensible. On Thu, Dec 13, 2012 at 11:21 AM, Eric Decker <cire...@gmail.com> wrote: > Okay. > > You need to look at what h/w you are using. Then figure out what sensor > you are using, in your case you are looking for what tmp, humidity, and > light sensor. > > Then find the h/w spec sheets and you need to figure out how to read them > to get the information you need. > > Given that you haven't gotten an answer to question so far, it is unlikely > that someone knows what you are looking for. > > Best thing is to figure how to find this out for yourself. > > > On Thu, Dec 13, 2012 at 1:16 AM, Sarah John Mwariti > <saraah1...@gmail.com>wrote: > >> Hi guys, >> >> once again, im sending this question, i haven't got the answer of how to >> convert the light sensor raw data. >> >> can somebody send me the formula. i have searched on the previous >> messages on the mailing list but still no luck. >> >> Regards, >> >> ---------- Forwarded message ---------- >> From: Sarah John Mwariti <saraah1...@gmail.com> >> Date: Thu, Nov 29, 2012 at 3:42 PM >> Subject: Temperature, Humidity and Light formula. >> To: tinyos-help@millennium.berkeley.edu >> >> >> Hi guys, >> >> i have modified the Oscilloscope code to sense the temperature, Humidity >> and Light. >> >> What is the formula to calculate the Humidity and Light? >> For Temperature i used: - 38.4 + 0.0098 * (data). >> >> Hope to get the reply soon.... >> >> Thanks >> Sara. >> >> > > > -- > Eric B. Decker > Senior (over 50 :-) Researcher > > >
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