convore.json/groups/alphaonelabs/carduino/messages.json

[{"user_id": 6139, "stars": [], "topic_id": 10319, "date_created": 1299113139.54444, "message": "Any1 know of or planning to work on arduino + plug computer related stuff? Example: http://www.arcfn.com/2009/06/arduino-sheevaplug-cool-hardware.html", "group_id": 868, "id": 254968}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1299112581.6490581, "message": "Looking for a reflow station for the Carduino how is this?  http://www.cmlsupply.com/aoyue-906-rework-system.html?___store=default any suggestions?", "group_id": 868, "id": 254904}, {"user_id": 4332, "stars": [], "topic_id": 10319, "date_created": 1299113351.5607779, "message": "How about this one? http://www.amazon.com/Aoyue-850A-Hot-Rework-Station/dp/B000I5JXA0/ref=sr_1_4?ie=UTF8&s=hi&qid=1299113293&sr=1-4", "group_id": 868, "id": 254999}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1299126480.707005, "message": "@AlanHyman cool, that looks like a good entry level one - that review about it only working for a short time is concerning though.", "group_id": 868, "id": 257597}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1299126440.0597, "message": "ll have to get him in here", "group_id": 868, "id": 257590}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1299126436.6311891, "message": "@JZ that looks like a cool project.  I think Matt was talking about doing some of that...  I'", "group_id": 868, "id": 257587}, {"user_id": 6139, "stars": [], "topic_id": 10319, "date_created": 1299615720.87236, "message": "\"ultrasonic\" sensor  http://www.makershed.com/ProductDetails.asp?ProductCode=MKPX5&ampClick=19209", "group_id": 868, "id": 299151}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1299642742.0013771, "message": "FYI, this is the Carduino http://alphaonelabs.com/carduino", "group_id": 868, "id": 301579}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302984811.6159971, "message": "I very carefully put one together, and it seems to be working okay - two changes: 1.  the bypass caps were off by a factor of 1000, I meant to use .1uf, not .1nf, and 2.  Using much less solder paste, and carefully scraping away extra with a pin.  I've epoxied a piece of popsicle stick wood to the USB port, and will try to program it - if it works there will be a demo next Tuesday (not this coming Tuesday since I'll be on LI for a seder)", "group_id": 868, "id": 713301}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302989390.28176, "message": "Awesome", "group_id": 868, "id": 713550}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302989452.270752, "message": "Any suggestions for an open source kit (that will sell good (has high demand)) that we can make SMD", "group_id": 868, "id": 713555}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302989326.2107251, "message": "Cool, I want to make a bunch of kits and sell them.", "group_id": 868, "id": 713545}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302987853.8613551, "message": "Awesome, I was thinking we can sell the existing ones as a kit for advanced SMD experimentation.  There was much interest at the MakerFaire town hall for SMD kits.", "group_id": 868, "id": 713480}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302988530.653291, "message": "Also does, this mean we have another one up for sale?", "group_id": 868, "id": 713500}, {"user_id": 4330, "stars": [], "topic_id": 10319, "date_created": 1302988813.698312, "message": "Another carduino or another kit? We could, hypothetically, get PCBs made for ANY existing Open Source hardware, replacing through-hole with SMD.", "group_id": 868, "id": 713509}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302989347.309454, "message": "I'll have to burn firmware but I think so", "group_id": 868, "id": 713548}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302990245.228297, "message": "Tv b gone?", "group_id": 868, "id": 713588}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302991954.221215, "message": "Schematics for 1.2 are here https://github.com/adafruit/TV-B-Gone-kit/tree/master/pcb we'll just need to make it SMD", "group_id": 868, "id": 713680}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302991407.438627, "message": "ok, lets do that.", "group_id": 868, "id": 713656}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302994410.505748, "message": "Well we're going to need the 4 big IR LEDs right?", "group_id": 868, "id": 713770}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302991430.0704949, "message": "Let me see if i can whip up an eagle file quickly", "group_id": 868, "id": 713658}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302992025.1947651, "message": "What should we call this new TV-B-Gone?", "group_id": 868, "id": 713683}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996264.1298721, "message": "yes on the board", "group_id": 868, "id": 713933}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996272.300741, "message": "i see the top and bottom traces", "group_id": 868, "id": 713935}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302994005.2887721, "message": "SMD-B-Gone?  Nah, TVBGoneButton?", "group_id": 868, "id": 713756}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302994096.5791349, "message": "should be about the size of a quarter", "group_id": 868, "id": 713758}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302994707.3032589, "message": "duh, iF", "group_id": 868, "id": 713799}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302995642.9495959, "message": "what if we made it so it can snap on to a 9v battery?", "group_id": 868, "id": 713858}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302994780.978307, "message": "I'm choosing the larger attiny85 SOIC since the 328 gave us so much trouble", "group_id": 868, "id": 713805}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302994921.8883719, "message": "So I realized we should keep the parts on the spools :)", "group_id": 868, "id": 713814}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302994954.829241, "message": "cool", "group_id": 868, "id": 713820}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302994948.1907041, "message": "yeah, good idea :-)  I ended up writing the values on the back of the strips just in case", "group_id": 868, "id": 713818}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302995298.6799459, "message": "but we can probably just use the one high power LED and drive it directly", "group_id": 868, "id": 713837}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302994790.1590519, "message": "http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=ATTINY85V-10SU-ND", "group_id": 868, "id": 713806}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302994822.0447111, "message": "yeah those look good", "group_id": 868, "id": 713809}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996089.24704, "message": "I don't see the caps going to anything on the board", "group_id": 868, "id": 713912}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996133.6374209, "message": "ahh ok", "group_id": 868, "id": 713917}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996135.8456991, "message": "thanks", "group_id": 868, "id": 713919}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996213.4928041, "message": "I must not be seeing a layer then", "group_id": 868, "id": 713924}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996335.851512, "message": "oh, this schematic is for v1...", "group_id": 868, "id": 713944}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302995276.5594001, "message": "the 2222 will handle 1A, maybe there's a variant?", "group_id": 868, "id": 713833}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302995733.8798151, "message": "though I think the 'tiny will run on 2.7v", "group_id": 868, "id": 713873}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302995737.927793, "message": "maybe 1.8", "group_id": 868, "id": 713874}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302995803.573586, "message": "but I should look for a smaller LED :-)", "group_id": 868, "id": 713888}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302994475.900167, "message": "I was just browsing digikey's selection: http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=751-1258-1-ND", "group_id": 868, "id": 713777}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302994547.5790839, "message": "better still: http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=365-1470-1-ND", "group_id": 868, "id": 713783}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302994650.3400409, "message": "cool, are these >= to the ones in the kit?", "group_id": 868, "id": 713793}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302994699.9012361, "message": "nice!", "group_id": 868, "id": 713798}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302994732.2837529, "message": "oh... hmm", "group_id": 868, "id": 713802}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302995431.1423531, "message": "Cool, if we can simplify that will be good.", "group_id": 868, "id": 713844}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302995546.7143829, "message": "on it", "group_id": 868, "id": 713851}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302994690.1949501, "message": ">, we could probably get by with 1", "group_id": 868, "id": 713796}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302994694.7180791, "message": "1A vF", "group_id": 868, "id": 713797}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302994720.7119839, "message": "battery won't last long :-)", "group_id": 868, "id": 713800}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302994804.7177501, "message": "good idea :)", "group_id": 868, "id": 713807}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302994846.7372141, "message": "cool", "group_id": 868, "id": 713810}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302994857.352139, "message": "and we already have mmbt2222a's in house", "group_id": 868, "id": 713811}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302994864.466475, "message": "though those won't drive 1a", "group_id": 868, "id": 713812}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302994948.225172, "message": "unless we label them", "group_id": 868, "id": 713819}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302995283.068913, "message": "they use a PNP transistor to drive the 4 NPNs", "group_id": 868, "id": 713834}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302995519.170706, "message": "can you look up the internal resistance of 3V coin cells?", "group_id": 868, "id": 713846}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302995563.0365269, "message": "The internal resistance of a 2032 coin cell is about 2 ohms.", "group_id": 868, "id": 713852}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302995581.059521, "message": "cool", "group_id": 868, "id": 713854}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302995784.0112369, "message": "I'm wondering if we can use a low ESR capacitor", "group_id": 868, "id": 713884}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996525.178936, "message": "nice", "group_id": 868, "id": 713968}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996554.3498549, "message": "excellent", "group_id": 868, "id": 713974}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302995708.154496, "message": "maybe 3 1.5V cells?  then we have 2.5v which may still be low", "group_id": 868, "id": 713870}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302995771.7297001, "message": "that would be preferable", "group_id": 868, "id": 713881}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302995791.8319409, "message": "since we're only running the LED infrequently", "group_id": 868, "id": 713885}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302995665.8400271, "message": "the LED needs 1.2V, we'd need to drop 6.5V down", "group_id": 868, "id": 713862}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996091.982336, "message": "as a TV-B-Gone Power Ring", "group_id": 868, "id": 713913}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996280.958142, "message": "hmmm", "group_id": 868, "id": 713937}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996416.8488209, "message": "we can probably get by with 1", "group_id": 868, "id": 713958}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302995618.9457669, "message": "ah, that means at 1A output, it will drop 2V", "group_id": 868, "id": 713857}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302995643.833159, "message": "but we can probably use an electrolytic cap", "group_id": 868, "id": 713859}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996259.303149, "message": "or you mean on the board?", "group_id": 868, "id": 713932}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996531.8803389, "message": "I see you bought muriatic acid", "group_id": 868, "id": 713969}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302995678.4681599, "message": "hmm, ok", "group_id": 868, "id": 713864}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302995753.921685, "message": "can we use 1 3v cell?", "group_id": 868, "id": 713877}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996709.7378869, "message": "tv-b-gone-tiny", "group_id": 868, "id": 713986}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996775.433888, "message": "starting a new topic", "group_id": 868, "id": 713997}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302995782.6794159, "message": "but it would run out too fast?", "group_id": 868, "id": 713883}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996080.1832581, "message": "okay, two of these (100mA) http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=751-1255-6-ND", "group_id": 868, "id": 713911}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996102.90817, "message": "awesome :)", "group_id": 868, "id": 713914}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996103.174542, "message": "they're hooked between the power leads", "group_id": 868, "id": 713916}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996243.8082359, "message": "the 2222s we have in house will handle 600mA, way more than 200mA, and will drop 3V down to 2.7", "group_id": 868, "id": 713927}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996255.2883861, "message": "no, the power leads are separate", "group_id": 868, "id": 713930}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996277.8532889, "message": "and neither connect to the caps", "group_id": 868, "id": 713936}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996304.3693759, "message": "v1.2", "group_id": 868, "id": 713940}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996410.835475, "message": "the bypass caps will definitely help", "group_id": 868, "id": 713955}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996411.2679811, "message": "that would be cool, simplify it even more", "group_id": 868, "id": 713956}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996443.4423139, "message": "they filter noise out of the power supply with varying current requirements", "group_id": 868, "id": 713961}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996473.1941979, "message": "cool, we should proto one up", "group_id": 868, "id": 713964}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996507.5450029, "message": "We can do a laser transfer to copper and then etch it", "group_id": 868, "id": 713967}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996536.4474311, "message": "do we have h2o2?", "group_id": 868, "id": 713970}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996564.410157, "message": "too...", "group_id": 868, "id": 713977}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996598.882746, "message": "no, have to get some h2o2...", "group_id": 868, "id": 713980}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996609.8951991, "message": "awesome", "group_id": 868, "id": 713981}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996373.1540849, "message": "woah, yeah the caps are just drills", "group_id": 868, "id": 713947}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996380.6556201, "message": "unless it's a 4-layer board, as you say", "group_id": 868, "id": 713949}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996392.2235241, "message": "so maybe we don't need the caps?", "group_id": 868, "id": 713952}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996546.8791139, "message": "yeah, to clean out the laser tube.... it worked well :)", "group_id": 868, "id": 713973}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996562.638598, "message": "we have etchant solution", "group_id": 868, "id": 713976}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996597.7143559, "message": "great, I'll work out a schematic - if Jay or Konstantin are available they can look it over", "group_id": 868, "id": 713978}, {"user_id": 4430, "stars": [], "topic_id": 10319, "date_created": 1302996721.2106891, "message": "yeah", "group_id": 868, "id": 713990}, {"user_id": 3019, "stars": [], "topic_id": 10319, "date_created": 1302996759.212847, "message": "cool", "group_id": 868, "id": 713995}]