low-power
low-power


Author Comment Last activity Moderation
marsh_jasonh " Oh, that's awesome - That gives me the info I was looking for, thank you very much, really helpful! " | Read more » almost 5 years ago
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
marsh_jasonh " Obviously kind of an old article, but I am just getting into arduino and electronics in general. My question is I have a similar project to this ..." | Read more » almost 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
overwriter "@cfastie Cool project. I'm try to create a diagram similar to Figure 6. How did you go about creating that? " | 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
warren "Wow, this is really cool. I'm thinking about how to break out some of this info into a low-power-data-logging section or something. Would it be hel..." | Read more » over 6 years ago
stevie "Hi Kina (and others)! Want to catch up on data loggers? We'll be chatting about it on the next OpenHour " | Read more » over 6 years ago
donblair "This is so fantastic. So neat to see the current spikes with the SD card writes! ANd ... oh, my, what a terribly high sleeping current ... I sho..." | Read more » almost 8 years ago
eustatic "thanks for this. I do think 9 days is good for some use cases, and not great for others " | Read more » almost 8 years ago
mathew "the software directions are looking real promising! as for hardware, I think you're absolutely right, @Donblair-- Expose the RTC alarm and let user..." | Read more » over 8 years ago
donblair "Apparently the "change" code is already part of the Arduino base code ... http://playground.arduino.cc/Main/PinChangeInt I might try this example..." | Read more » over 8 years ago
donblair "Fantastic -- thanks @SteveHicks! Ah, I see the source of my confusion. I was reading the explanation here: https://www.arduino.cc/en/Reference/A..." | Read more » over 8 years ago
SteveHicks "If you use the DS3231 RTC, it has a built-in alarm function that you can use to wake the MCU at a pre-programmed time, allowing you to put the MCU ..." | Read more » over 8 years ago
donblair "Thanks, @cfastie! Background Automated dispensing cabinets were introduced in the late 1980s, and allow for decentralized, automated distribution ..." | Read more » over 8 years ago
cfastie "Just in case everyone is not familiar with all the acronyms like ADC and RTC: https://en.wikipedia.org/wiki/Automated_dispensing_cabinet https://en..." | Read more » over 8 years ago