micro-sd
micro-sd


Author Comment Last activity Moderation
pubgapk "Photography pro or not, a camera-to-Android setup can add a lot of utility and fun to your normal shooting routine. ... Then, connect a USB OTG ada..." | Read more » 12 months 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 » almost 6 years ago
pdhixenbaugh "How did you make the figures you used in this research note? They are really well done. " | Read more » almost 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 » about 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 » about 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 » about 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 » about 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 » about 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 » about 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 » about 6 years ago
cfastie "Thanks Bob, that's encouraging. My bricked card just gets hot to the touch when I put it into a card reader. I don't have much hope for it. " | Read more » about 6 years ago
Bob "While working on my Riffle beta datalogging program, I also corrupted the micro SD card. The Riffle was no longer able to initialize the card. Stra..." | Read more » about 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 » about 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 » about 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 » about 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 » about 6 years ago
mathew "I wonder about the erratic battery readings. fascinating. Chris-- which sensors do you want to attach? perhaps we can find an arduino tutorial th..." | Read more » about 6 years ago