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Yihi SX350J/SXMini Firmware update

Discussion in 'Temperature Control board Talk' started by Scratchy, Oct 15, 2015.

  1. Scratchy
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    Scratchy Thread Starter Well-Known Member

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    Last edited: Oct 15, 2015
  2. Rick O-Shea

    Rick O-Shea iStick Fanboy

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    This is the last one apparently.
     
  3. asiaexpat

    asiaexpat Well-Known Member

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    i stall havn't done any upgrades--any improvement in battery life with the updates?
     
  4. Rick O-Shea

    Rick O-Shea iStick Fanboy

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    Apparently so but I didn't have mine long enough to notice.
    They also added an "ECO" mode which may or may not be solely responsible for the extra efficiency (if any).
     
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  5. Scratchy
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    Scratchy Thread Starter Well-Known Member

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    I've run only the last "test" version 2.23 and now this one. Because this is a dual battery mod and the way I vape with this being in the mix with others, I doubt I'll easily notice. I'm happy they added TCR adjustments and will try to see if I notice any change in Ti vaping compared to previous version.
     
  6. Siam Diesel
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    Siam Diesel Nauti Moderator Staff Member

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    Me neither...was waiting for the Ti Test version to be re-issued. Looks like another task for this weekend. ;)

    Did Yihi post something about this on FB? Shame they're not going to support this any more!
     
  7. Rick O-Shea

    Rick O-Shea iStick Fanboy

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    Not sure if they did but Perry from Varitube said it would be their last firmware upgrade for the 350J.
    At least it had a few upgrades, unlike the S-Class which was dumped upon release.
     
  8. r_pakit

    r_pakit Well-Known Member

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    Scratchy did you figured out what is the Compensate Temp and how it work?
    I'm still not sure myself how should I set it.
     
  9. v 4 vendetta
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    v 4 vendetta Well-Known Member

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  10. Scratchy
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    Scratchy Thread Starter Well-Known Member

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    I haven't looked into it yet but think maybe it has to do with setting what your expected or current ambient air temperature will be. For example, if I lock/set resistance reading in an air conditioned room but will be vaping in a very hot environment. I am not sure that is correct though. I need to read up on it. I just leave it at its default for now which I think is 26 degrees?
     
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  11. r_pakit

    r_pakit Well-Known Member

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    The default is 25 degrees.

    I did a little experiment myself.

    First, I set the temperature at 400F (as I normally set on the previous firmware and never have a dry hit on this setting) then lock the resistant and set the Compensate Temp to 50, 25, 0 degrees accordingly.

    At 50 degrees, I can get a dry hit.
    At 25 degrees, I almost get a dry hit.
    At 0 degrees, I never get a dry hit.

    So in my mind right now Compensate Temp is something that will add some degrees in to your initial temperature setting?
    That just my guess.

    :cheers2:
     
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  12. Scratchy
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    Scratchy Thread Starter Well-Known Member

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    It could be that. I must have accidentally bumped mine up a degree.

    Dry hits with 400 F and 25 temp comp? I wouldn't expect that to happen unless you had wicking or atty issues. I only have what could I guess be considered dry hits (Not technically "dry" rather very little vapor) when I run completely out of juice but that is so rare because the change in vape is so pronounced just prior to that situation that I know I need to refill. Never yet had a burnt hit with TC.

    Sorry, I see you said "almost" a dry hit at 25

    I still tend to think it may be related to an offset for ambient temp which together with case temp and resistance, would be potential factors in the chipset determining appropriate power levels which then translates to heat as you noted with dry hits. I know ambient = room temp is often mentioned and recommended for when you lock resistance. Recall too some DNA 40s early on had issues with performance when used outside in the cold.
     
    Last edited: Oct 22, 2015
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  13. r_pakit

    r_pakit Well-Known Member

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    Sorry to confuse you, Scratchy. But what I really mean in the term of dry hit in the previous comment is actually "burnt hit".

    Let me correct myself

    At 50 degrees, I can get a burnt hit.
    At 25 degrees, I almost get a burnt hit.
    At 0 degrees, I never get a burnt hit.


    And also the Compensate Temp we use here, it is set in degree Celsius isn't it.

    25C = 77F
    50C = 122F

    So in this case 400F + 50C(122F) = 522F , no wonder I'll have burnt hit out of this.
     
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  14. Scratchy
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    Scratchy Thread Starter Well-Known Member

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    Yes C :)

    At 400 F 25C you shouldn't be getting anything close to a burnt hit. I don't think it is adding degrees exactly linearly like you suspect. I bet 25 is what they consider normal ambient temp (77 F) which sounds right. I don't think it would be 400 +77. In my case I typically run at least 450 F and can say that in the range I have been used to form many months across multiple devices, it has not increased the temp to something like 450 F + 77 = 527 F.
     
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  15. r_pakit

    r_pakit Well-Known Member

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    That's feel more realistic, thanks Scratchy

    :cheers:
     
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