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Thread: tweet-a-watt

  1. #1

    Default tweet-a-watt

    so cool
    http://twitter.com/tweetawatt

    they have a kit, thinking of getting one :)
    1410w PV in two 48v arrays, MX-60 (710W) and Tristrat MPPT-60 (700W), 3 1104AH Rolls 4V batteries in series for 12v battery bank, powering various household LED lights, washing machine, laptop and gadget charging and a super low power server. AC and entire home office (switchable) on sunny days when power available comes from 1500w heavy duty "industrial" samlex sine wave inverter with high surge. Also, 1.9kw(DC) gridtie system (Sanyo HIT's).

  2. #2
    Join Date
    Sep 2007
    Location
    Telford,Pa
    Posts
    737

    Default Re: tweet-a-watt

    2X

    But I have a T.E.D. that works for me.
    Ken
    Telford,Pa
    Old Homepage: http://home.comcast.net/~n3qik
    Updated 6-7-2009

    Updated Homepage: http://home.comcast.net/~n3qik/site/?/home/
    Updated 12-3-2011

    Home Automation: http://n3qik.homeip.net:5800 Password = guest
    Software/hardware is 100% complete. At least for today. Tomorrow is a different story.
    Updated 2-17-2012

  3. #3
    Join Date
    Sep 2006
    Location
    Willits, CA
    Posts
    4,966

    Default Tweet-a-Watt wireless for a Kill-a-Watt P3

    just spotted this gem:

    Tweet-a-Watt is a DIY wireless power monitoring system. The project uses an 'off the shelf' power monitor called the Kill-a-Watt and adds wireless reporting. Each plug transmits the power usage at that outlet to a central computer receiver. The receiver can then log, graph and report the data. This pack contains nearly everything* necessary to build a single outlet monitor and receiver. To monitor additional outlets, you will need an add-on transmitter pack. One outlet can monitor up to 1500 Watts.

    The starter pack contains:

    * 2 XBee modules (one for receiver, one for transmitter)
    * 2 XBee adapter kits (ditto)
    * 1 USB FTDI cable (for updating, configuring and receiving data from XBee)
    * 1 bag of parts including 10,000uF capacitor, 220uF capacitor, 2 1% 10K resistors, 2 1% 4.7K resistors, 5mm green LED, 6" rainbow ribbon cable, and 2 pieces of 1/8" and 1/16" heatshrink

    * Please note, a P3 Kill-a-Watt is NOT included!
    ( XBee 802.15.4 protocol 1mW wireless module, good for point-to-point, multipoint and convertible to a mesh network point.)

    http://www.adafruit.com/index.php?ma...roducts_id=143

    I'm NOT selling or have any connection with this company. I was looking at their site
    perusing the Ice Cube (blue vacuum display) Clock, and saw the tweet.
    Mike
    http://tinyurl.com/LMR-Solar
    http://tinyurl.com/LMR-BigLug
    http://tinyurl.com/LMR-NiFe

    Grundfos 10 SO5-9 with 3 wire Franklin motor (1/2hp 240V 1ph # 214505 ) on a timer for 3 hr noontime run - Runs off PV
    Powerfab poletop PV mount | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe battery | 15, Evergreen 205w "12V" PV | Midnight ePanel || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT

  4. #4

    Default Re: Tweet-a-Watt wireless for a Kill-a-Watt P3

    Lamplight linked to Tweet-A-Wat in April. I remember following the link to You-Tube. Worth the trip.

    And it was Adafruit.
    Tiny mobile camper currently in use! Off grid 30 weekends/yr. 3 Kyc 85s* in series=255W , Morningstar SS-MPPT15*, four 6V East Penn 8AGC2 AGMs @ 12V=374AH, Trimetric 2020*, Prosine 2.0, Honda EU1000i. My camper.
    *Purchased at NAWS! Along with much more not listed.

    Everything has everything to do with everything else. I learn more by accident than by design.
    Kamala

  5. #5
    Join Date
    Mar 2006
    Location
    SF Bay Area (California)
    Posts
    16,891

    Default Re: tweet-a-watt

    Found the original thread--combined.

    -Bill
    20x BP 4175B panels (replacement) + Xantrex GT 3.3 inverter for 3kW Grid Tied system + Honda eu2000i Inverter/Generator for emergency backup.

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