| 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 » | almost 3 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 7 years ago | |||
| pdhixenbaugh | "How did you make the figures you used in this research note? They are really well done. " | Read more » | over 7 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 » | almost 8 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 » | almost 8 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 » | almost 8 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 » | almost 8 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 » | almost 8 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 » | almost 8 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 » | almost 8 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 » | almost 8 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 » | almost 8 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 » | almost 8 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 » | almost 8 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 » | almost 8 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 » | almost 8 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 » | almost 8 years ago |