convore.json/groups/alphaonelabs/energy-meter/messages.json

[{"user_id": 4332, "stars": [], "topic_id": 15844, "date_created": 1301341412.5905089, "message": "Wow.  Great!!", "group_id": 868, "id": 461367}, {"user_id": 26140, "stars": [{"date_created": 1301344839.7323229, "user_id": 3019}], "topic_id": 15844, "date_created": 1301340683.7916529, "message": "I got on Hackaday again. Check it out: http://hackaday.com/2011/03/28/open-source-wireless-mesh-networking-energy-meter/", "group_id": 868, "id": 461265}, {"user_id": 6639, "stars": [], "topic_id": 15844, "date_created": 1301341440.8509741, "message": "Cool. Extra points for your level-headed, informative approach to troll management in the comments on that article.", "group_id": 868, "id": 461374}, {"user_id": 3019, "stars": [], "topic_id": 15844, "date_created": 1301344820.4560771, "message": "Awesome @jaykickliter !  We can definitely use one at Alpha One Labs :)  I wonder how easily it hooks up to Google PowerMeter.", "group_id": 868, "id": 461983}, {"user_id": 26140, "stars": [], "topic_id": 15844, "date_created": 1301347773.4612861, "message": "aj, I was surprised how negative the comments were.", "group_id": 868, "id": 462352}, {"user_id": 3019, "stars": [], "topic_id": 15844, "date_created": 1301348221.64079, "message": "Are you going to be selling them?  I'd like to buy one and donate it to the lab.", "group_id": 868, "id": 462426}, {"user_id": 26140, "stars": [], "topic_id": 15844, "date_created": 1301348080.728188, "message": "psy, I glanced at Google Power Meter when we began this project, but I didn't get into it enough to know about interfacing with it", "group_id": 868, "id": 462408}, {"user_id": 3019, "stars": [], "topic_id": 15844, "date_created": 1301347794.4967909, "message": "They are like that a lot...", "group_id": 868, "id": 462359}, {"user_id": 3019, "stars": [], "topic_id": 15844, "date_created": 1301348120.5629051, "message": "I imagine its pretty straightforward if you can get it online", "group_id": 868, "id": 462415}, {"user_id": 26140, "stars": [], "topic_id": 15844, "date_created": 1301354731.066745, "message": "I ont have any plans on selling them, at least not any time soon. I need to make some changes to the design. You could replace the XBee with an ethernet module maybe. But I'm almost out of memory on the chip, and dont know how much code it would take to use an ethernet module.", "group_id": 868, "id": 463120}, {"user_id": 3019, "stars": [], "topic_id": 15844, "date_created": 1301355603.870702, "message": "Is it just like a clamp meter hooked up to a microcontroller?", "group_id": 868, "id": 463222}, {"user_id": 26140, "stars": [], "topic_id": 15844, "date_created": 1301359517.4614921, "message": "same principle, but using actually current transformers instead of clamp on leads for a multimeter. This way is more precise", "group_id": 868, "id": 463750}, {"user_id": 3019, "stars": [], "topic_id": 15844, "date_created": 1301360929.44894, "message": "So you would you use like one of these for a full residential application? http://www.mitchellinstrument.com/solid-core-current-transformer.html?source=googleps", "group_id": 868, "id": 463900}, {"user_id": 26140, "stars": [], "topic_id": 15844, "date_created": 1301421102.9653771, "message": "those all have low ratios. for example, the one that says 100:5 means that if there's 100 amps in the line you're measuing, there will be 5 amps coming out of the secondary. CR Magnetics sells the 20 A CT we're currently using, and they sell a bunch of other sizes as well. Even snap-op models.", "group_id": 868, "id": 471037}, {"user_id": 4430, "stars": [], "topic_id": 15844, "date_created": 1301470478.2798829, "message": "Jay: how about the ti cc2540 to save cost and size?  There's a sdcc port for the 8051 core", "group_id": 868, "id": 479352}, {"user_id": 4430, "stars": [], "topic_id": 15844, "date_created": 1301470685.636101, "message": "And an external eeprom for storing samples until they can be sent", "group_id": 868, "id": 479364}, {"user_id": 26140, "stars": [], "topic_id": 15844, "date_created": 1301493859.628258, "message": "I've thought about using an MSP430 since they're so cheap, but I don't know how to use them yet. I love working with the Propeller, but at $8 they can significantly add to a project's cost.", "group_id": 868, "id": 481793}]