iSpindel - digital WiFi hydrometer

Discussion in 'General Home Brew Equipment Discussion' started by anders, Jun 20, 2017.

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  1. Nov 13, 2019 #161

    SteveH

    SteveH

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    I'll take a couple if you have them spare - already built an earlier version but would be good to try the later PCB, particularly if it fits in a smaller container.

    What petling tube are you using? IIRC those were hard to find in the UK for the last one I made.
     
  2. Nov 13, 2019 #162

    Matt_W

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    Aaron, I've only got the PCB 4.0 boards, the other bits will need to be purchased from eBay. The board I'll post for probably a fiver, that'll cover the board and a 1st class stamp.
     
  3. Nov 13, 2019 #163

    Matt_W

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    Shure, drop me a PM. I actually bought one of these original https://www.ebay.co.uk/itm/HomeBrew...e=STRK:MEBIDX:IT&_trksid=p2060353.m2749.l2649

    the PCB is slightly smaller so it does move around, I might have to find something just to pad it out.

    the tubes do seem really hard to come by, I've ordered some from eBay to see what they're like but I think it might take a couple of attempts to find one that fits snug.

    likewise I'm going to build a couple based on the newer spec bits, waiting for the bits to turn up from China.
     
  4. Nov 14, 2019 #164

    Adean

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    Hi Matt,
    I'd be interested in a one or two - please let me know how much you would like for one inc postage
    Many thanks
    Alastair
     
  5. Nov 14, 2019 #165

    patwestlake

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    Looking for 3 Matt. Can settle by PayPal or bank transfer as you prefer.

    Pat

     
  6. Nov 15, 2019 #166

    Gonçalo

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  7. Nov 16, 2019 #167

    eyuptm

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    Can anyone point me towards a Wemos supplier, preferably the V3, as I need to order one for my non-working Spindle... TIA.
     
  8. Nov 16, 2019 #168

    Gonçalo

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  9. Nov 20, 2019 #169

    patwestlake

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    Will any BAT43 diode do or is the threshold current (15 or 200mA) important?

    Pat
     
  10. Nov 20, 2019 #170

    pottsworth

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    I bought mine from AliExpress.
     
  11. Nov 21, 2019 #171

    eyuptm

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    Thanks all, got one locally that seems to work. My issue, as far as I can tell, is that one of my original Wemos boards was pre- flashed, whereas I had to flash the firmware to the other one.

    Here is the brunt of my post. Being a total analogue brained computer luddite, with Mac only experience, I was dreading this process, but in reality, once I remembered that I had an old Win laptop, I managed to get all 3 boards up and running the latest firmware revision. It did take about 4 hours of trial and (mostly user...!!) error, but the satisfaction having achieved it was immense.

    I won't go into all the steps I took, as most of them were unsuccessful, but the point is, that if I can do it, ANYONE can, there are plenty of resources online to guide you. (Admittedly some more useful for idiots like me than others) but a couple of hours with a PC and a tablet or phone to look up online guides, and you too can do it!!

    Now to activate my Ubidots account and get my codes to register the devices, and away we go!!

    Have a go!!!
     
  12. Nov 24, 2019 #172

    patwestlake

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    Two really good videos for the ispindel




    Pat
     
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  13. Dec 3, 2019 #173

    private4587

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    At the moment i have a brew fridge were the heater and cool cycles are controlled via a STC 1000 with the sensor attached to the fermenter. I am in the process of building an ispindel and i am wanting to be able to plot the temp and SG of the brew along with the STC sensor now monitoring the fridge ambient temp on the same graph, but and this is a big but i have no idea of how and which software to use. Can anyone offer some assistance please
     
  14. Dec 3, 2019 #174

    Ashman

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    I’m very tempted to try a build one of these. After getting a smart watch and playing about with powerBI static data I think with some work I could get the hydrometer reading on the dashboard.
     

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  15. Dec 3, 2019 #175

    patwestlake

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    Looking to do the same thing (replace STC 1000 with something more connectable). It will likely be another esp8266 board like nodeMCU or a Raspberry PI. The former will just run native arduino code to switch the two relays (heating and cooling) - the trick is to get it to use the iSpindel temperature reading. I'll let you know how I get on.

    Pat
     
  16. Dec 4, 2019 #176

    eyuptm

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    THAT would've saved me a ton of time,thanks for posting!!
     
  17. Dec 5, 2019 at 12:50 PM #177

    Litmus

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    It might be overkill but have you looked at Craftbeer Pi?
     
  18. Dec 7, 2019 at 6:03 PM #178

    Matt_W

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  19. Dec 7, 2019 at 6:58 PM #179

    eyuptm

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    I think they are correct tubes, but it looks as if the pins through the board from the gyro board are holding the battery holder away from the board- try snipping the pins off flush, and have another go. I had to just remove a tiny bit of board width with a nail file, to make it a good snug sliding fit...
     
  20. Dec 7, 2019 at 7:30 PM #180

    patwestlake

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