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Author Comment Last activity Moderation
donblair "-- a CR1220 coin cell. " | Read more » about 4 years ago
donblair "To be more specific ... The goal is for the microcontroller (uC) brain (Atmel 328p), and the sensor boards it connects to, to be running at 3.3V. ..." | Read more » over 4 years ago
donblair "Thanks @danbeavers! The PDF you just linked to seems empty -- if you get a chance, could you link to a URL with the part? I have share your feeli..." | Read more » over 4 years ago
donblair "Ah, okay, issue: I can drop the charging chip; but currently the charging chip performs a useful additional function: it allows voltage to be com..." | Read more » over 4 years ago
donblair "Oh, and @warren & @tonyc -- so some notches on the edges of the board, yeah? Will play with the idea ... " | Read more » over 4 years ago
donblair "connector Aj, cool ideas @warren and @tonyc! Also: I just heard back from MacroFab -- they can do through-hole soldering for a little more (per ..." | Read more » over 4 years ago
donblair "My impression, from what I've heard, read, is that it's a bad idea to use SMT components when there is any regular mechanical stress expected. Cf...." | Read more » over 4 years ago
donblair "I don't know if this part can be placed by a pick-and-place, but if it can, might be worth trying -- the double row SMT pads might make it sufficie..." | Read more » over 4 years ago
donblair "Receptacle side ... http://www.digikey.com/product-detail/en/610114249221/732-6081-2-ND/5047736 Hmm, maybe we can get away with no soldering requi..." | Read more » over 4 years ago
donblair "male side ... http://www.digikey.com/product-detail/en/610114249121/732-6071-2-ND/5047735 " | Read more » over 4 years ago
donblair "oh, interesting ... i don't know how mechanically stable these will be, but: " | Read more » over 4 years ago
donblair "@warren -- wow, that Pocket Operator looks so cool. It makes me wonder if there are AA battery holders like the one they used with the metal clips..." | Read more » over 4 years ago
donblair "Wow, so many good thoughts .... soldering & accessibility It's a good point that it'd be nice for the kit to be useful without requiring any ..." | Read more » over 4 years ago
donblair "Note: regarding the RTC wakeup functionality, I posted some thoughts here: https://publiclab.org/notes/donblair/12-02-2015/random-bits-atmel-low-p..." | Read more » over 4 years ago
donblair "Thanks @warren re: Semver -- that looks like just the sort of guidance I was looking for! @tonyc -- I was thinking about this issue ... one of the..." | Read more » over 4 years ago
donblair "This is fantastic! I love the idea of using CO2 and/or RH as a metric for sleep quality / breathing patterns. I suppose you're getting a much st..." | Read more » over 5 years ago
donblair "Hi folks! @stevie -- SORRY for the long delay in my response! It'd be great to set up a time to chat about this -- and bring in others who know m..." | Read more » almost 6 years ago
donblair "Did you see the article AmySoyka posted about the Dylos? http://publiclab.org/notes/Schroyer/06-26-2014/broadcast-dust-readings-from-a-smartphone#c..." | Read more » almost 6 years ago
donblair "Did you see the article AmySoyka posted about the Dylos? http://publiclab.org/notes/Schroyer/06-26-2014/broadcast-dust-readings-from-a-smartphone#c..." | Read more » almost 6 years ago
donblair " Ah, you didn't fail at all -- I just keep dithering about the final design, and have been hestitating to hit 'print' :) But I think this might be..." | Read more » about 6 years ago
donblair "Thinking about this a bit further: when determining particle counts, is the "% low pulse occupancy time" technique relatively insensitive to tempe..." | Read more » about 6 years ago
donblair "Hi Folks! Great comment thread here. Just following up on Schroyer's lead: the github code had a nice link, in a commented section, to a useful ..." | Read more » about 6 years ago