| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| cfastie | "The specs for the TPL-5110 timer IC say it can time intervals up to 7200 seconds (2 hours). It seems unlikely that it could be extended beyond that..." | Read more » | almost 5 years ago | |||
| cfastie | "Liz, it's great to know that you (or I guess your Mom) were well coiffed in the 80s, although I regret that you did not include photographic eviden..." | Read more » | over 5 years ago | |||
| cfastie | "Leslie, I will lend you anything you need. Tell me about your HEPA setup. You must already have a 5V Arduino, so all you need is three DuPont wires..." | Read more » | over 5 years ago | |||
| cfastie | "Thanks Nick. It's good to know about the duplicate sensors. That's an intriguing engineering decision. Chris " | Read more » | over 5 years ago | |||
| cfastie | "Fig. 6 was created using Fritzing (http://fritzing.org/home/). The annotations and some editing were then done in PhotoShop. " | Read more » | almost 6 years ago | |||
| cfastie | "Yes, I agree that this is a different approach to an issue that has had a lot of effort directed at software solutions. This is a purely hardware s..." | Read more » | over 6 years ago | |||
| cfastie | "It appears that storing data in flash memory on an Arduino is not so easy. The PROGMEM keyword only works for writing constants before the main lo..." | Read more » | almost 7 years ago | |||
| cfastie | "It seems that it might be straightforward to store arrays of data in the 32k of flash memory in a 328p chip. Flash memory is non-volatile and your ..." | Read more » | almost 7 years ago | |||
| cfastie | "This is very clever. I wonder whether the memory in a Atmega 328p can be used to store data. I wonder if it is possible to access those data later...." | Read more » | almost 7 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 » | almost 8 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 » | 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 | |||
| 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 | |||
| 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 |