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Best Net Zero energy solution for new or existing house (no more heating or electricity bills).
Best Net Zero energy solution for new or existing house (no more heating or electricity bills).
Best Net Zero energy solution for new or existing house (no more heating or electricity bills).
113 backers pledged CA$ 57,817 to help bring this project to life.

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Digital MPPT and Solar BMS for a Net Zero energy House

CA$ 57,817

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Digital Maximum Power Point Tracking Thermal Controller (DMPPT450).

Click on image to open the pdf document explaining the Digital MPPT
Click on image to open the pdf document explaining the Digital MPPT

 

DMPPT450 as the name implies will support a max of 450A STC current so a total of 14kW of PV panels can be connected. Panels need to be the 60 cell types (most common and cost effective PV panels available).

I'm extremely excited about the potential DMPPT450 has in providing a very low cost heating (cooling also possible but more complex) option able to compete even with natural gas. So is not only green and renewable is also the most cost effective heating option that is why I designed this to use in my OffGrid house that will become a so called Net Zero energy house once the large PV array and DMPPT is installed.

The thing that makes the Solar heating cost effective is the low cost of PV panels and thermal energy storage but for much more details please read the above pdf document explaining all this in much more details.

Of course the DMPPT will also be an Open Source project as all my projects are and the DMPPT450 will have a proper enclosure similar to SBMS so it will not be just the board as you see on this first prototype.

 Many of you already have the SBMS60 or SBMS100 from my last Kickstarter and those two models will be compatible with the DMPPT450 with a simple firmware update that will be available later this year when DMPPT450 and new SBMS will be ready to ship.

The new versions of SBMS will be backward compatible with existing SBMS60 and SBMS100 and some of the important changes are:

SBMS40 will be a cost optimised version of the SBMS60 since many people requested a lower cost SBMS and the main difference is that it will have smaller power connectors and a single PV input instead of two all other futures of the SBMS60 will be present including 2.2" color LCD and WiFi module for remote monitoring.

SBMS120 will be slightly higher power replacement for the SBMS100 and the main difference is again the power connectors larger and more robust than on the SBMS100 same that will be used in the DMPPT450 and a larger LCD 2.8" plus some smaller changes but all the functionality of the SBMS100 will be present in the SBMS120 including the WiFi that seems to be so popular :)

For more details about SBMS check the SBMS100 user manual.

Click on the image to open the SBMS100 user manual.
Click on the image to open the SBMS100 user manual.

 

  I want to keep the description simple so I will stop here. The above two pdf documents should provide answers to almost any questions you may have about the DMPPT or SBMS but I will also be available to answer any question you may have so do not hesitate to contact me with your questions.

There are 3 different devices SBMS40, SBMS120 and DMPPT450 and if you want any combination or multiple of this just let me know and I will add a custom pledge level for you.

Edit: I just made a video to better explain the Digital MPPT thermal controller.

 

Risks and challenges

This will be my third Kickstarter project and based on the first two the only possible risk may be a slight delay on delivery if things do not work exactly as planed.
I will make sure to deliver exactly what I promised or more.

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Support

  1. Select this reward

    Pledge CA$ 229 or more About $173

    SBMS40

    You get one SBMS40

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    21 backers
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    Pledge CA$ 349 or more About $263

    SBMS120

    You get one SBMS120

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    40 backers
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  3. Select this reward

    Pledge CA$ 429 or more About $324

    Two SBMS40

    You get two SBMS40

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    2 backers
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  4. Select this reward

    Pledge CA$ 539 or more About $407

    SBMS40 + SBMS120

    You get one SBMS40 and one SBMS120

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    7 backers
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  5. Select this reward

    Pledge CA$ 549 or more About $414

    DMPPT450

    You get one DMPPT450

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    6 backers
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  6. Select this reward

    Pledge CA$ 639 or more About $482

    3x SBMS40

    You get 3x SBMS40

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    0 backers
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  7. Select this reward

    Pledge CA$ 659 or more About $497

    Two SBMS120

    You get two SBMS120

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    6 backers
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  8. Select this reward

    Pledge CA$ 849 or more About $641

    DMPPT450 + SBMS120

    You get one DMPPT450 plus one SBMS120

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    10 backers
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  9. Select this reward

    Pledge CA$ 850 or more About $641

    4x SBMS40

    You get 4x SBMS40

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    1 backer
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  10. Select this reward

    Pledge CA$ 1,029 or more About $776

    Two SBMS120 + Two SBMS40

    You get two SBMS120 plus two SBMS40

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    5 backers
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  11. Select this reward

    Pledge CA$ 1,049 or more About $791

    DMPPT450 + SBMS120 + SBMS40

    You get one DMPPT450 plus one SBMS120 plus one SBMS40

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    3 backers
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  12. Select this reward

    Pledge CA$ 1,169 or more About $882

    Three SBMS120 + one SBMS40

    You get three SBMS120 plus one SBMS40

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    1 backer
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  13. Select this reward

    Pledge CA$ 1,369 or more About $1,033

    DMPPT450 + Two SBMS120 + SBMS40

    You get one DMPPT450 plus two SBMS120 plus one SBMS40

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    1 backer
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  14. Select this reward

    Pledge CA$ 1,669 or more About $1,259

    Two DMPPT450 + Two SBMS120

    You get two DMPPT450 plus two SBMS120

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    1 backer
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  15. Select this reward

    Pledge CA$ 2,079 or more About $1,569

    Two DMPPT450 + Two SBMS120 + Two SBMS40

    You get two DMPPT450 plus two SBMS120 plus two SBMS40

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Funding period

- (50 days)