DNA 200 Watt

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JeepR KReapR

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I believe that is all the Yihi does. If it sees a fast ramp up, then it shows you "no liquid".

It doesn't just show 'no liquid', it ceases to fire in less than a half second.

Same coil, same deck, no wick. Yihi 350J fires for less than half a second, displays no liquid & ceases to fire. dna 200 fires for close to 3 seconds until coil hits temperature limit & ramps down.

Completely different function. As I said, just looking to see if I can get the same functionality by mucking around in escribe.


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retird

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It doesn't just show 'no liquid', it ceases to fire in less than a half second.

Same coil, same deck, no wick. Yihi 350J fires for less than half a second, displays no liquid & ceases to fire. dna 200 fires for close to 3 seconds until coil hits temperature limit & ramps down.

Completely different function. As I said, just looking to see if I can get the same functionality by mucking around in escribe.


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Try setting the pre-heat to 200 and set the punch all the way up.
 

dwcraig1

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Not looking to 'feel better', they function differently. The dna 200 still heats the wick (or no wick in this case) to the set temperature even if there is no liquid. The yihi doesn't even fire if it detects no liquid or wick, but will heat to the set temp when liquid is detected.

Just looking to see if I was missing something in the settings.


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Does the Yihi have a delay in firing by chance because I just don't see how that can be accomplished?
Oh, I started a page behind, never mind .
 

JeepR KReapR

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Try setting the pre-heat to 200 and set the punch all the way up.

It was an honest question from an observation I had about both mods. Temperature limiting at a temperature you set is NOT the same as not firing if the coil is dry (regardless of temperature).

If you guys want to joke about it that's fine, it's still a valid question. I like the boxer DNA 200 alot, it just seems to me that whatever the yihi chip actually does to prevent firing when the coil is actually dry goes even further to prevent wick charring than temperature limiting at a user selected temperature. Just my observation.

And I haven't even downloaded the escribe software yet. I've been really pleased with the boxer DNA 200 out of the box. I just found the test with an empty coil on both mods interesting and was curious if I was missing something in the DNA setup.



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AtmizrOpin

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i dont think @retird was joking. ive set my dna200 to 200 watts with the punch up to 11. all that does is bring yer coil up to temp INSTANTLY. i think @KTMRider just thought is kind of a funny suggestion. no ones breakin balls, yer good. i do know what yer saying about the difference between the two boards. but if the coil is dry enough on a dna deviçe the wattage will be so low it's pretty much like not firing at all. id rather the dna for the simple fact when i need to clean my ti coils, it maintains my set temp to bake off the crust. on my yihi devices it throws up the dry coil message and cuts power. great for saving your wick bad for trying to clean yer coils, imo. i forget what this was all about anyways? medication time!
 

Mad Scientist

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RE: Device Monitor. So it appears that the official recommendation for 2S 18650 is 25A (I assume that is from 133W / 6V max output = 22.2A rounded up). How can one determine the peak Y-axis current draw per puff versus the ending current draw as graphed in yellow?

As of right now, interpolate. Another option is to set escribe to spit out the raw data (RTFM) but it's a lot of data.

What I often do with big csv datasets is open them in excel and then insert a graph in the sheet, like this for the output of a thermocouple affixed to a vaping coil measuring actual coil temp (this one shows the results of an initial resistance instability on firing temp):

image.jpg


I did see someone ask for a feature where you could mouse over or click on a point on the device monitor graph and see the exact values, but that feature hasn't been added (yet -- evolv is constantly improving the software ;)).
 
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Spirometry

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It doesn't just show 'no liquid', it ceases to fire in less than a half second.

Same coil, same deck, no wick. Yihi 350J fires for less than half a second, displays no liquid & ceases to fire. DNA 200 fires for close to 3 seconds until coil hits temperature limit & ramps down.

Completely different function. As I said, just looking to see if I can get the same functionality by mucking around in escribe.


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The DNA is hitting temperature and ramping down power long before 3 seconds. I think what you are seeing is the delay of when the message comes up on the display.

The DNA doesn't have a "no liquid" mode, It will always fire. No settings in escribe to change that.
 

retird

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Try setting the pre-heat to 200 and set the punch all the way up.


I've never had a burnt wick come out of an atomizer on a DNA40/200. Ever. I've regularly had burnt or heavily singed wicks come out of a SX350j mod (SXM and Boxer) and it was always set at lower temps because it can't regulate temperature as well as the DNA chips.

My suggestion on setting the pre-heat and punch only goes to heating the coil as fast as possible...lol....and my take on it is one can try to make two different devices perform the same (SX350J and DNA200). Apples to Oranges. One's own preference is all that matters. You can't get a DNA to mirror, as we know, an SX (and vise-versa).

KTM.... yep it is kinda silly now that I think about it.
 
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JeepR KReapR

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The DNA is hitting temperature and ramping down power long before 3 seconds. I think what you are seeing is the delay of when the message comes up on the display.

The DNA doesn't have a "no liquid" mode, It will always fire. No settings in escribe to change that.

Thanks spirometry! I'm sure I won't have any issues with burnt wicks with the DNA 200. The 'no wick' test was just eye opening since I had assumed it would behave like the 350J does when there is no wick or a dry wick upon initial build.

Since it is firmware upgradeable, maybe it will get added in the future. It just seems like a nice added safety feature, not necessarily something that will improve the vaping experience.


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tehdarkaura

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my personal opinion is as long as its limiting the temperature properly there is no safety issue with the coil being a bit dry.

I can think of plenty of times when I have been away without extra juice and took a couple extra hits off my dna200 -- reduced vapor -- but hey it was at least something... I don't want the mod to not fire when I press the fire button... I want it to regulate the temperature I've set it to.....

Personally I think Yihi did this because their temp isn't as stable and its a way to keep the coil from charring -- its a lot easier to just turn the coil off when you see the ramp up shows there is little juice... not exactly what i would consider a "feature"

just my :2c::2c:....
 
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tehdarkaura

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As of right now, interpolate. Another option is to set escribe to spit out the raw data (RTFM) but it's a lot of data.

What I often do with big csv datasets is open them in excel and then insert a graph in the sheet, like this for the output of a thermocouple affixed to a vaping coil measuring actual coil temp (this one shows the results of an initial resistance instability on firing temp):

View attachment 506118

I did see someone ask for a feature where you could mouse over or click on a point on the device monitor graph and see the exact values, but that feature hasn't been added (yet -- evolv is constantly improving the software ;)).
Wow -- I'm surprised you got that to render in windows ;) Last time I tried it locked up MSOffice for 30 minutes, then when I clicked the graph locked it up again... gnu-plot is a great way to pop out very large dataset graphs in no time.

edit -- ahh only 400 or so samples -- thats nothing! ;)
 
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Mad Scientist

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Wow -- I'm surprised you got that to render in windows ;) Last time I tried it locked up MSOffice for 30 minutes, then when I clicked the graph locked it up again... gnu-plot is a great way to pop out very large dataset graphs in no time.

edit -- ahh only 400 or so samples -- thats nothing! ;)

I left the Unix type stuff behind in the mid-80's so I haven't kept up. Matlab will also do the job. :thumb:
 
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2legsshrt

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i dont think @retird was joking. ive set my dna200 to 200 watts with the punch up to 11. all that does is bring yer coil up to temp INSTANTLY. i think @KTMRider just thought is kind of a funny suggestion. no ones breakin balls, yer good. i do know what yer saying about the difference between the two boards. but if the coil is dry enough on a dna deviçe the wattage will be so low it's pretty much like not firing at all. id rather the dna for the simple fact when i need to clean my ti coils, it maintains my set temp to bake off the crust. on my yihi devices it throws up the dry coil message and cuts power. great for saving your wick bad for trying to clean yer coils, imo. i forget what this was all about anyways? medication time!
If you want to clean your coils on the YiHi just put it in Power mode. I don't think it is recommended for Ti though.
 
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Mactavish

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I'm just lurking here considering getting 1 DNA but seems like theres a lot of problems but there always is with a new mod specially one this complex.

What problems? I have a LavaBox DNA200 and just ordered a VaporShark DNA200, have not had a single issue, best vape I've had.
 
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