temperature
temperature


Author Comment Last activity Moderation
EdMallon "We just fired up a new collaborative project, and some of the academics from the other university suggested that our blog was something of a spaghe..." | Read more » about 6 years ago
cfastie "Thanks Patrick, The table and graphs are screen captures from Excel. The graphing module in Excel is very powerful in part because it has a huge n..." | Read more » over 6 years ago
pdhixenbaugh "How did you make the figures you used in this research note? They are really well done. " | Read more » over 6 years ago
EdMallon "Believe it or not, the UNO Datalogger tutorial I posted last year has risen to the top of the traffic stats on our blog, and has generated more tha..." | Read more » over 6 years ago
kinasmith "I am also very curious how much temperature affects the batteries in very low current applications. I haven't found good documentation about that. ..." | Read more » over 6 years ago
cfastie "This is probably not the best data set to do calculus on. The air temperature data is from a sensor in a jug suspended above the pile, and the batt..." | Read more » over 6 years ago
donblair "Yay, data!! Neat observation about the battery voltage and the temperature. Makes me want to compare the rate of battery voltage drop to the temp..." | Read more » over 6 years ago
kinasmith "Nicely done, and nice temps for such a small pile too! I'm curious to see how long they can sustain that heat. I've done some work with compost in ..." | Read more » over 6 years ago
david-days "I imagine so (regarding the grass). If it's fairly fresh, there's probably enough water content to feed the bacteria as things break down. We use..." | Read more » over 6 years ago
cfastie "Thanks David, I wish I had some of your manures to spice up my pile. I'm surprised at how hot this pile is without the addition of any N-rich mater..." | Read more » over 6 years ago
david-days "Excellent work, @cfastie! I live on a farm in Ohio, and we use cleanup from the chicken house and the horse/goat barns to make our compost piles. ..." | Read more » over 6 years ago
cfastie " I kinda like the switch on the Riffle and now I know that it is something to pay more attention to. But I guess it adds much more complexity that ..." | Read more » over 6 years ago
donblair "Chris, This is such a beautiful project! The lapse rate calculation is so fun to see. Quick reactions: That power switch goof is annoying. I w..." | Read more » over 6 years ago
ggallant "D5 appears to connect the INT/SQW on the RTC to PD5 on the CPU. I would be very interested in how one uses the feature. I'm assuming that it requir..." | Read more » over 6 years ago
mathew "The RTC can be set to shutdown and wake the AT328P, it just uses another pin that could be used for a sensor. @donblair left an exposed pin availa..." | Read more » over 6 years ago
ggallant "Chris, I really don't know the actual time but assuming 800usec (nice for the math) to sleep and wake up it would be 800 / 8,000,000 or 0.01% whi..." | Read more » over 6 years ago
cfastie "George that's a good point. Although the real time clock is running all the time, it is not smart enough to do something as complicated as setting ..." | Read more » over 6 years ago
ggallant "I think 8 seconds is the "maximum" interval with a 16MHz crystal. You wake up every 8 seconds and can go back to sleep if there is no work to be do..." | Read more » over 6 years ago
cfastie "Don thinks that eight seconds might be the minimum interval during which the system can be put into deep sleep. So all the sleep stuff happens in m..." | Read more » over 6 years ago
ddileona "Cool! One question: I thought I read in the riffle documentation that you could only log in multiples of 8 seconds. That seemed liked a weird mult..." | Read more » over 6 years ago
cfastie "Hi Gretchen, I also wondered whether the change in logging frequency was caused by the Riffle dropping below 0°C. There is more about that possibi..." | Read more » over 6 years ago
gretchengehrke "Interesting! At first I was wondering if the change in time-step occurred after the Riffle reached 0 deg-C, but then when I looked at your data tab..." | Read more » over 6 years ago
donblair "Hi Chris! This is fantastic research. So many interesting questions coming up already via your testing. Thank you. Riffleman! These rechargeabl..." | Read more » over 6 years ago
mathew "I'm wondering if it just has to do with the power switch setting. it should be on "USB/Lith" for programming. " | Read more » over 6 years ago