Can any one simplify the YiHi joules temp control

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SissySpike

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BTW - What is the Benefits of "Soft" vs. "Power" Modes?

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temp control chip SX350J


this isnt the first time something like this has been done the evick and the janty both let the user tailor their voltaje during 10 second fire time. lets you kinda adjust whre you want more or less power acording to your vaping style.
 

zoiDman

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I think my issue may be with your use of direct measurement. :?:
It is not possible (ever) to take a more direct measurement then using the actual coil.
Any additional sensor will use a similar strategy to arrive at the temperature, voltage change, resistance change, size/position change etc.
External sensors bring no magic to the party, they are hamstrung by the same physics as Evolv's temp sensor.

Lets say that we had an atty/mod combo that used an additional sensor to determine coil temperature.
If this sensor is not touching the coil it is not measuring the coil temp it is measuring the air temp at the sensor.
Now things like airflow levels are a huge problem.




The board is a top performing power supply regardless of the coil material.
It does what it is speced to do.
For the foreseeable future all TL mods will require Ni or possible Ti coils.
Alloys don't hold much promise and we are fresh out of new stable elements.

OK... Fair enough.

I guess as long as Everyone is Happy with using NI200 as a Coil Material then things should be Great.
 

SissySpike

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20150121102807_66157.jpg


Looking it over again, it does say "Variable Joule"
and it does specify setting Joules to be between 5 joules and 50 joules.

That's not very much; 50 joules is the energy you get if you run 5 watts for 10 seconds or 50 watts for 1 second.
Its a 60 watt mod but its a single 18650 battery so Id imagine you can only pull the 60 watts and or 9.5 volts from the higher resistance if you go sub ohm this board goes down to .08 Im sure you can not get 60 watts and not fry every thing Battery switches melt solder ect.....;-) so the mods limits will kick in.
 
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zoiDman

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Looking it over again, it does say "Variable Joule"
and it does specify setting Joules to be between 5 joules and 50 joules.

That's not very much; 50 joules is the energy you get if you run 5 watts for 10 seconds or 50 watts for 1 second.

This is why I asked if It is Total Joules per Hit. Or if it is Joules per Second. (Which is Kinda Redundant because the Unit of a Joule is per second.)

I believe they are saying the Range is from 5 Joules/sec to 50 Joules/sec.

And doesn't that Jive with a 5W ~ 50W type board?
 

retird

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Sure thing subscribe to the thread and Ill post when it gets here Ill do any experiments any body want me to try and post the results also.

Oh..... Ok.... look forward to you getting one and posting..... thought ya already had one.... shucks.... thought we could get some answers...thx
 

tehdarkaura

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I think my issue may be with your use of direct measurement. :?:
It is not possible (ever) to take a more direct measurement then using the actual coil.

Well if the coil was a standardized element this would be fairly true... but the fact is that they are not -- they are hand wound -- sometimes full contact sometimes not -- sometimes have internal stresses sometimes not... sometimes its 60 degrees when it takes the first measure, sometimes its 90 degrees out...

with hand would coils with zero consistency there are a massive amount of assumptions that are made.

If we all switched to something semi-standard like the vaping donuts then maybe this would be a different story, but they are extrapolating with a ton of assumptions along the way to try and guess at the temp -- this is not the same thing as a specially wound, tested, and standardized NTC temp sensor...,.
 

Vapenstein

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Yeah the wholes Joules mode math doesn't add up. Who wants to bet it represents watts running in temp control and they're incorrectly using the term joules? That would make more sense to me than topping out at 50J in temp control, which as someone mentioned, is not pushing very many watts and wouldn't make sense.

One thing I'm not worried about is how well this chip will function. I doubt very much Yihi is going to screw the pooch on such an anticipated chip. The SX series has been pretty stellar minus some inaccuracy in the 1xx. A friend of mine has an original SX Mini, and the only thing I can fault with it is the goofy gyroscope adjustment in menu mode. I'll be finding out in 2-3 weeks as I have one preordered.
 

tehdarkaura

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Oh..... Ok.... look forward to you getting one and posting..... thought ya already had one.... shucks.... thought we could get some answers...thx

live it up and take your jabs before they are released -- its like the VF3 Clone drama all over again -- how did that go for you by the way ?????

:laugh::laugh::laugh::laugh::lol::lol::lol::lol:
 
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Woofer

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His opinions seem less steeped in bias then what you are putting forth imo.

Pretty sure i recall him giving that istick20 a thumbs down too. But hey, whatever facts support your agenda i guess.

Steeped in bias, really what part?

"I have two rDNA 40s one from pre order and one from cyber Monday.
They both work perfectly and are all I use now.
My opinion is different to Busardo's."

Yes he gave the iStck20 an overall thumbs down and spent a considerable amount of time saying just ignore that I gotta do it because the device is not RMS.

You referenced my agenda, I'll bite what is my agenda other then sharing my actual experience. :lol:
 

edyle

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Its a 60 watt mod but its a single 18650 battery so Id imagine you can only pull the 60 watts and or 9.5 volts from the higher resistance if you go sub ohm this board goes down to .08 Im sure you can not get 60 watts and not fry every thing Battery switches melt solder ect.....;-) so the mods limits will kick in.

Did you notice where it says "Variable Wattage Mode (Dual Battery)"?
 

SissySpike

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Oh..... Ok.... look forward to you getting one and posting..... thought ya already had one.... shucks.... thought we could get some answers...thx

Im no longer in the loop for getting stuff early, I dont spend near enough money any more and I havent done a review for a long time but I will be one of the first to get one when they are released I think next week if all goes well.
 

edyle

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Yeah the wholes Joules mode math doesn't add up. Who wants to bet it represents watts running in temp control and they're incorrectly using the term joules? That would make more sense to me than topping out at 50J in temp control, which as someone mentioned, is not pushing very many watts and wouldn't make sense.

One thing I'm not worried about is how well this chip will function. I doubt very much Yihi is going to screw the pooch on such an anticipated chip. The SX series has been pretty stellar minus some inaccuracy in the 1xx. A friend of mine has an original SX Mini, and the only thing I can fault with it is the goofy gyroscope adjustment in menu mode. I'll be finding out in 2-3 weeks as I have one preordered.

AHHHHH!! That makes sense!!! Chinglish :laugh:
It's probably the watt limit setting to be used while in Temperature Control mode.
 

SissySpike

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Did you notice where it says "Variable Wattage Mode (Dual Battery)"?

yea the board can be hooked up to dual batteries when it hits the market as a moders board Ill make me one, but the SX mini M class is a single 18650 and im sure the chip wont be available untill the at least the first batch of mods clears the shelves.
 
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