DNA 200 Watt

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HolmanGT

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0.08 ohm at 200 watts is 50 amps. that is a pretty high amp rating even for lipos unless you are using 2000mah and above with a 25C constant. but then again if the max input of the batteries is 23amps how the heckle can the board spit out 50 amps.

Not the super brightest in battery and electronics but 50 amps from a 23amp input?

Darkly,

The voltage current conversion is taken care of by the DC to DC converter. It is real - you can get more current out of a DC to DC converter than you put in. What you can't do is get more WATTS out than you put in.

What you need to do is Google DC to DC converters for information on how they can increase or decrease the current in the output. It is really far too much to hash around in a public forum. I will only go as far as to say think of it like an Arc Welding Transformer. The input side to the transformer may pull (just for the purpose of conversation) 20 amps from the wall connector but at the point of the welding rod touching the piece you are welding the current my be a 100 amps or more. The transformer converts the input voltage and current to a much lower voltage and much higher current. No laws of Physics are defied Watts in still equals Watts out.
 

TheotherSteveS

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that has been there for a while now! Still no mention of price though!! Just a placeholder and an irritating one at that. You can bet it will be same in pounds as it is in dollars from them! Im guessing £200 but happy to be proven wrong as long as the number is smaller lol!...lets see!

edit: I upped my estimate!!
 
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JamieZ4M

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See Output Power graphs:

Login - DNA 200 Early Adopters Forum

Ripp Trippers also stated in his short video:



Thank you, and please forgive my memory. Watched the video when he uploaded it and have seen the power graphs read all the data sheet etc.. how could I forget something so important? ? -_-
 

USMCotaku

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You guys have absolutely no idea how the modern software development world works. I am a program manager for a tech company and most of our hires are remotely located. It's not as easy as you would think to find quality programmers locally and expensive to relocate them, and its so common now a days to have remote workers its a no brainer.

This has nothing to due with IP's, as the process for remote hiring requires thoroughly reviewing the applicant's past work history, references, direct contact with past employers, reviewing contract data like monetary sizes and lengths, programming languages, frameworks and multiple video interviews. It also requires usually direct communication via skype at all times during the work hour and a screen monitoring software/time logging that allows you to see at all times past and present what the contractor works on.

On top of that, a stack of legal documents ranging from Non-Disclosures, Source code ownership rights, Citizenship Forms and a bunch of other legal binding contracts. There are specific clauses for breach of contract from code leaks to browsing the internet in work hours for personal use. I could go all day with the protections, including payment protection using escrow.


Now, lets go onto this super secret intellectual code that I keep hearing about. Creating software to monitor the chip in the way Evolv does is peanuts, and it will take china no longer than a month to reproduce. They likely have been working on it anyway, and come chinese devices already have software to support their mods. They can also get a bunch of info from reverse engineering and disassembly anyway, but this code is simple so I doubt they would need it. The programmer got mad because John wouldn't even entertain the idea of cross platform applications, ignoring his post completely until he demanded an answer. He didn't handle it in the best manner, but he forced the issue and im glad he did, now we know they don't care to invest in it.

If Evolv was smart, they would just open source the code. Its not like its not going to be cloned any day now and they're only hurting there consumers because there not willing to make versions for other operating systems. And the 90% windows argument doesn't apply anymore. If you look at the numbers excluding business, education and other non-consumer markets, the sales of windows vs mac daily support developing for both because macs are growing rapidly in the consumer households.

The stats below show the share of OS's shipped by year, with apple and microsoft nearly tieing. Considering most households cycle computers every 4-6 years, that would mean your looking at a much higher adaptation rate for apple OS's. Apple’s Mac marketshare hit record highs during the third calendar quarter of 2014, according to research firm IDC. Official numbers from the firm’s quarterly PC trackershow that Apple’s Q3 shipments topped 2.34 million Macs moved during the quarter in the U.S., giving it 13.4 percent market share and putting it in third place behind HP and Dell. That’s the best market share Apple has every achieved in the PC market, which for IDC’s purposes, doesn’t even include tablets like the iPad.

Worldwide Device Shipments by Operating System
Source Year Android iOS/OS X Windows Others
Gartner[2] 2014 48.61% 11.04% 14.0% 26.34%
Gartner[3] 2013 38.51% 10.12% 13.98% 37.41%
Gartner[4] 2012 22.8% 9.6% 15.62% 51.98%
Your little percentages there are including smart phone OS's which completely tried off the accuracy.
 

USMCotaku

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This is from YOUR source...
Android has the largest installed base of all general-purpose operating systems (while not reflected in overall web browsing use[1]); as of 2013, devices running it also sell more than Windows, iOS and Mac OS X devices combined. That makes Android the most popular smartphone operating system, while on tablets, the iPad tablet still makes iOS more popular in that category. In certain categories, one family of operating systems dominates, for example, most desktop and laptop computers use Microsoft Windows, while most supercomputers use Linux
Usage share of operating systems - Wikipedia, the free encyclopedia

However you want to swing it, Evolv made the right choice in keeping the programming done in house, for various reasons

Sent with one hand, the other is busy vaping.
 
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Jazzman

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The stats below show the share of OS's shipped by year, with apple and microsoft nearly tieing. Considering most households cycle computers every 4-6 years, that would mean your looking at a much higher adaptation rate for apple OS's. Apple’s Mac marketshare hit record highs during the third calendar quarter of 2014, according to research firm IDC. Official numbers from the firm’s quarterly PC trackershow that Apple’s Q3 shipments topped 2.34 million Macs moved during the quarter in the U.S., giving it 13.4 percent market share and putting it in third place behind HP and Dell. That’s the best market share Apple has every achieved in the PC market, which for IDC’s purposes, doesn’t even include tablets like the iPad.

Worldwide Device Shipments by Operating System
Source Year Android iOS/OS X Windows Others
Gartner[2] 2014 48.61% 11.04% 14.0% 26.34%
Gartner[3] 2013 38.51% 10.12% 13.98% 37.41%
Gartner[4] 2012 22.8% 9.6% 15.62% 51.98%

@vaperXant , I'm not sure if you missed the part about those numbers you referenced combining Mac OSX with iOS devices (like iPads) or if you are intentionally misleading folks regarding market share. iOS devices should not be included since they have no USB ports and consequently, no drivers to support a USB interface. I realize there is a USB dongle that has some very limited uses for an iPad like transferring pictures, but that would be useless here without driver support that would never be approved for use by Apple even if Evolv wanted to do that.

The real Mac desktop numbers are quite a bit different and are right around 8.2% market share currently. Here is a link to the market share # for desktop computer platforms:

Operating system market share

This might be a different story if Evolv decides to do a BT module, which would be awesome, but as it currently stands Macs are a niche market and shouldn't be a large target for concurrent cross platform development for a small manufacturer. It just doesn't make sense in the current computer market.
 
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BlueridgeDog

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However you want to swing it, Evolv made the right choice in keeping the programming done in house, for various reasons

.

I suspect that given the nature of the industry at the moment, they are very interested in being all in-house as I also suspect the source code could pull the flash load from the chip in a human readable format.
 

soulseek

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If we're looking at the US only, the Mac is gaining market share at a steady pace.
Apple Continues Seeing Steady Mac Sales Growth Even as U.S. PC Shipments Decline - Mac Rumors
More to the point, I think you will find that they're particularly popular with younger adults, which falls in line with the demographic of lots of vapers.
Furthermore, Mac and iOS users have been consistently shown to spend more on products and services related to each platform, i.e. a Mac user is more likely to spend $200 on a DNA200 device than your average PC user who'll opt for a cheaper clone.
 

TheotherSteveS

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I think its pretty clear that it makes no sense for evolv to make an OSX version a priority at the moment but probably a good idea to make it happen at some point in the nearish future - for PC use! If there is any possibility of going to mobile OS's then its a no brainer. Man that would be so cool. BT connect to phosne/ipad and do the business with your dna200 mod OTA!
 

Jazzman

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If we're looking at the US only, the Mac is gaining market share at a steady pace.
Apple Continues Seeing Steady Mac Sales Growth Even as U.S. PC Shipments Decline - Mac Rumors
More to the point, I think you will find that they're particularly popular with younger adults, which falls in line with the demographic of lots of vapers.
Furthermore, Mac and iOS users have been consistently shown to spend more on products and services related to each platform, i.e. a Mac user is more likely to spend $200 on a DNA200 device than your average PC user who'll opt for a cheaper clone.

Yes Mac sales trends show they have increased market share of about 0.75% over the last year:

Operating system market share

At this rate they are likely to have a respectable market share in about 20 years. Hope you're not in a hurry :) And using a Mac fanboi site like Macrumors is probably not the best source for unbiased data. Being a Mac user also, since 1984, I am very sympathetic to Macs not getting software as soon as their users would like. But this is based on OS decisions Apple has made for their products and there is no amount of wishing that is going to change the market share penetration argument for software developers. It's just not realistic. As it stands now, you are going to have to run a VM or bootcamp to run a large amount of PC based software. Or maybe you could gather enough Mac users to fund a project for Evolv that would allow concurrent software development. If you could get enough Mac users to raise 20 or 30k for this development you would probably stand a good chance of getting what you want. Try a GoFundMe or something and find out how much real support there is for Mac development of this product.
 
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Darkly spectr

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Darkly,

The voltage current conversion is taken care of by the DC to DC converter. It is real - you can get more current out of a DC to DC converter than you put in. What you can't do is get more WATTS out than you put in.

What you need to do is Google DC to DC converters for information on how they can increase or decrease the current in the output. It is really far too much to hash around in a public forum. I will only go as far as to say think of it like an Arc Welding Transformer. The input side to the transformer may pull (just for the purpose of conversation) 20 amps from the wall connector but at the point of the welding rod touching the piece you are welding the current my be a 100 amps or more. The transformer converts the input voltage and current to a much lower voltage and much higher current. No laws of Physics are defied Watts in still equals Watts out.
um

the only thing I can say is

200px-Bury_Witch_Trial_report_1664.jpg
 
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SavePaperVapor

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You guys have absolutely no idea how the modern software development world works. I am a program manager for a tech company and most of our hires are remotely located. It's not as easy as you would think to find quality programmers locally and expensive to relocate them, and its so common now a days to have remote workers its a no brainer.

This has nothing to due with IP's, as the process for remote hiring requires thoroughly reviewing the applicant's past work history, references, direct contact with past employers, reviewing contract data like monetary sizes and lengths, programming languages, frameworks and multiple video interviews. It also requires usually direct communication via skype at all times during the work hour and a screen monitoring software/time logging that allows you to see at all times past and present what the contractor works on.

On top of that, a stack of legal documents ranging from Non-Disclosures, Source code ownership rights, Citizenship Forms and a bunch of other legal binding contracts. There are specific clauses for breach of contract from code leaks to browsing the internet in work hours for personal use. I could go all day with the protections, including payment protection using escrow.


Now, lets go onto this super secret intellectual code that I keep hearing about. Creating software to monitor the chip in the way Evolv does is peanuts, and it will take china no longer than a month to reproduce. They likely have been working on it anyway, and come chinese devices already have software to support their mods. They can also get a bunch of info from reverse engineering and disassembly anyway, but this code is simple so I doubt they would need it. The programmer got mad because John wouldn't even entertain the idea of cross platform applications, ignoring his post completely until he demanded an answer. He didn't handle it in the best manner, but he forced the issue and im glad he did, now we know they don't care to invest in it.

If Evolv was smart, they would just open source the code. Its not like its not going to be cloned any day now and they're only hurting there consumers because there not willing to make versions for other operating systems. And the 90% windows argument doesn't apply anymore. If you look at the numbers excluding business, education and other non-consumer markets, the sales of windows vs mac daily support developing for both because macs are growing rapidly in the consumer households.

The stats below show the share of OS's shipped by year, with apple and microsoft nearly tieing. Considering most households cycle computers every 4-6 years, that would mean your looking at a much higher adaptation rate for apple OS's. Apple’s Mac marketshare hit record highs during the third calendar quarter of 2014, according to research firm IDC. Official numbers from the firm’s quarterly PC trackershow that Apple’s Q3 shipments topped 2.34 million Macs moved during the quarter in the U.S., giving it 13.4 percent market share and putting it in third place behind HP and Dell. That’s the best market share Apple has every achieved in the PC market, which for IDC’s purposes, doesn’t even include tablets like the iPad.

Worldwide Device Shipments by Operating System
Source Year Android iOS/OS X Windows Others
Gartner[2] 2014 48.61% 11.04% 14.0% 26.34%
Gartner[3] 2013 38.51% 10.12% 13.98% 37.41%
Gartner[4] 2012 22.8% 9.6% 15.62% 51.98%
I feel sorry for your company. If people's glasses are too hazed to see what's happening I really don't know what to tell them. Obviously the Mac version will be out within the next few months. What evolv has done is hire a programmer to write the program and then port it later. Where this industry is at right now, having two programmers is frivolous, especially when you look at the Mac user base. It's even dumber if you realize you can run the windows version on a Mac with basic knowledge.
 

ozen

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Quick question about the box used in beta testing: it's around 92mm tall? Is this correct?

I was looking at a shapeway reproduction in plastic and would like to confirm the size.

Thx

Regards
Tony

Sent from my keyboard through my phone or something like that.
Yeah around there
 
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