Comments (78)
Enjoy! :)
from myevic.
Dual, sure. rx2/3 & others rx will depend on my success with the dual.
from myevic.
Should have my Dual within days.
from myevic.
Here is a devloper with a Box in the Hand! ^^
from myevic.
I had a look at the cuboid, and it's very close in its hardware to the RX200S.
I do not own a cuboid either, so it doesn't advance the schmilblick very much, but I'm pretty sure the Dual will be very similar, and I'm waiting to buy one.
Once I have it in hand, things may be more clear.
from myevic.
Overcoming limits is easy; I more or less just have to change a number somewhere. Problem is: how do I know the actual box limits before failure? The only thing I can be sure of is that the limits enforced by the factory firmware are on the safe side, but remember that it's chinese cost-effective conception. Hardware limits must not be that far.
Remember that your 25A do not pass only throught the atomizer; they also go throught a tiny 1.x milliOhm shunt resistance, and that's already at least .62W for her to dissipate; it's huge for such a tiny component. I don't know the dissipation limit of this resistance, but again, they may not have taken a 100% margin (maybe a 1W thing).
The 3-cells reuleaux have a higher limit (50A, iirc), but they have two parallel shunts to measure atomizer current. So it make me think the margins are not so large.
I'd like to avoid issues like "my box is dead", so for know I don't play too much with the numbers.
from myevic.
Well... Here we are.
Maybe the more adventurous of you would give it a try :)
from myevic.
Привет ClockSelect,RX200S, after flashing boxing from the start temperature of 38 degrees, 3-5 puffs and the temperature 53-56 degrees, any ideas why?
from myevic.
RX200S, and insert the battery box temperature with cold 28 degrees itself rises to 38-40, and that no steaming !? What to do, help!
from myevic.
Confirm that the temperature is increasing, it is not normal, need something to do with it. This was not on the original firmware.
RX2/3
from myevic.
It's almost the same code, so technically the source is there... almost.
There's only a few hardware changes between the VTC and the RX200S and the myevic firmware could be made compatible with the RX200S; not an obvious task, but doable.
I don't know about the RX2/3 (didn't look at the code yet) but if it's doable for the RX200S, the RX2/3 should not be a big deal either.
Unfortunatly, I do not own any of those boxes, so it would be a bit difficult to test.
from myevic.
Sounds great, i believe If you offer a closed "Alpha" or "Beta" there will
be many tester, i am Admin of two German FB groups and I now there are a
lot User who allready asked for an RX200S Version.
from myevic.
Here, im the second voluntary ;)
from myevic.
Yesss...here is the third voluntary! Please make it true!😀👍🏻
from myevic.
I'm the next :-)
a Custom Firmware like "myevic" for the Rx200S and other models need the user. Plesse :-)
from myevic.
I'd prefer one of the most enthusiast of you pulling a branch from the current project and trying.
I may give you hints to do this.
For example, for the RX200S:
-
Shunt resistance is 110 mOhm
-
Display is SS1306
-
There is 3 measures of battery voltage:
- ADC18 BATT VOLTS 1
- ADC0 BATT VOLTS 1+2
- ADC4 BATT VOLTS 1+2+3
Batteries are serial, so the three ADCs mesures cumulatives sum of voltages.
-
There is no Boost Converter for atomizer; PWM2 is replaced by a second buck converter running in parallel when firing. PWM0 alone is used for atomizer probing.
-
There is a Boost converter (PWM5) used to boost voltage from USB port to battery for charging. ADC 3 and 13 are used to control battery charge.
-
There may be some more things but I did not took much time to investigate.
Not obvious, I said.
from myevic.
Let's make it short: I do not need a tester, but a developer^^
Whit the box by hand.
Sure testers will be welcome and necessary. After^^
from myevic.
Fine!
I encourage you to fork the project, create a branch, and... Let's try! :)
from myevic.
@chris180389 do you allready have a new branch created yet?
from myevic.
so you will try to mod the vtc dual and the rx2/3?
from myevic.
@chris180389 @ClockSelect any Progress here?
from myevic.
Sounds great @ClockSelect sadly i cant test on Cubiod anymore, but still able to test on VTCmini / RX200S and RX2/3
from myevic.
I have a Cuboid Ready to test, shouldn't be the same as the VTC Dual ? as it have 2 batteries. Also i have another question, it is known that the cuboid have a Hard Lock on the amp @ 25 making it almost useless at less than 0.3 ohms, this is something that can be bypass ?
from myevic.
@afol2: Unfortunately no; the 25A is a hard limit, as are the 9V. You have to tweak the rez value to get the power you want.
from myevic.
from myevic.
Hmm... that could be like something that could be added in >Expert Mode< some kind of tweak that allow you to change the Ohm value , even tho it is lower. it also can have like some kind of warning to just uses recomended tested batteries 30 amps, Like LG HB6. @ClockSelect
from myevic.
Or that you have to select in Expert>Batt>HB6 in order to allow the tweak @ClockSelect
from myevic.
It's 25A limit on output, not input. Maybe just dc-dc can't handle more.
from myevic.
Output values are limited to 9V and 25A.
Put together, it's a power of 5625W, which, IMO, should be enough for anyone here.
The very limiting factor is the power limit enforced by the software (75W, 150w, etc depending on the box), which in turn limits the volts/amps accordingly.
The drain on the battery does not depend on the volts/amps sent to the atomizer by the dc-dc; it's only a function of Power (given the dc-dc effciency, say 90%) and battery internal resistance.
At a given power setting:
0.9 * P = ( U * I - r * I² )
With U = idle battery voltage, I = battery drain, r = battery internal resistance.
Solve this equation and you have the battery drain.
I = ( U - sqrt ( U² - 3.6 * r * P ) ) / 2r
If you do the math for a single-cell box, given a 75W limit and an internal resistance of 30mOhm, it gives you a battery drain limit of around 23A at 3.6V, which is reasonable.
If you think your battery can go up to 30A with no issue, you could, theorically, set your power limit up to 90W.
from myevic.
Oh, by the way: I've been lent a Cuboid a few days, so...
Now we have the Cuboid :)
This opens the way to others multi-cells boxes, but I can't implement a new box without having it by hand. Multi-cell management is complicated and no two boxes do this the same way.
Next to come should be the VTC Dual, and after... It depends on which boxes I can borrow to someone^^
from myevic.
from myevic.
from myevic.
@bluenazgul
Sure! Give me the link to your group and we'll talk via FB.
(But I wouldn't be surprised I'm already a member)
from myevic.
50A on the output side. Use the formulas, you'll see it's still around 20A on the battery side. Cells are in series, you have three times the voltage.
from myevic.
from myevic.
@ClockSelect as promised my Parcel is on the way to you ;)
from myevic.
I will try not to burn them^^
from myevic.
so, i was wondering if you find a way to overcome the 25amp limit in the cuboid ?
from myevic.
@ClockSelect What you exactly need to know about rx2/3 to support it?
Sorry for my bad English.
from myevic.
Testing now, so far so good. Great piece of software.
from myevic.
Btw you can flash rx200s with rx23 firmware. Tried that, everything worked fine. So supporting rx23 shouldnt be much of a problem.
from myevic.
RX2/3 firmware handle more things than the one of RX200S, so flashing the first in the second may work fine (albeit it's absolutely not recommended), but not the other way.
If you'd try (don't!) to flash the fw of the RX200S in the RX2/3, it couldn't handle correctly the dual-cell configuration, for exemple. It could just fail, or, do bad things.
I must thoroughly examine the fw of the RX2/3 to spot and reproduce all the tiny difference it may have in battery and chipset management. It will take some days.
from myevic.
If you need pics of pcb etc. i can make it. I also have pics of rx200s pcb so we can compare it.
from myevic.
Yes, if you have good quality pics, I'll take them. It may help sometimes.
from myevic.
Interesting.... Almost the same. I don't have more 200s photos.
23: https://imgur.com/a/MIiSW
200s: https://imgur.com/a/c8Hya
from myevic.
That's what I though, MCU is under the screen. That's an essential part; on the picture with the screen removed, we only see half of the pins of the MCU. There's something on it hiding the 12 top and 12 bottom pins.
Can this part be safely removed?
from myevic.
I already assembled it. Please, wait a while.
E: Little bit dark, sorry for that: http://imgur.com/sW3jbZv
from myevic.
That's it, grats.
Can't see right now if I can retrieve the full size pic from Imgur since I'm on my phone; I'll examine all that when I'm back.
Thank you!
from myevic.
I upload it on MEGA, full size photos. https://mega.nz/#F!U5wzDDID!WP5WfFAV4MitiKFACk5QOA
Thank you for awesome software!
from myevic.
Precious.
Hope they won't be needed.
But they're here.
from myevic.
Today's release was awaited...
from myevic.
RX200S is the same as for the RX2/3 ? @ClockSelect
from myevic.
@afol2 it is not the same - RX2/3 is still work in progress
from myevic.
@bluenazgul oh ok.!, thanks
from myevic.
from myevic.
from myevic.
from myevic.
the recent commit say support RX200S , anyluck that this can work in the RX200 too ?
thanks
from myevic.
@bluenazgul I aleready uploaded some photos.
@e0x Main problem is different oled, same as istick pico.
from myevic.
@ClockSelect make sense , thanks anyway.
from myevic.
RX200S, and insert the battery box temperature with cold 28 degrees itself rises to 38-40, and that no steaming !? What to do, help!
from myevic.
The official firmware did not notice, because I had to do 10 clicks to see, and now we can see on the screen all the time, but a spontaneous rise in temperature is, when you install the battery goes the temperature rise from 32 to 39 for 2-3 minutes! Sorry for my English, I write through a translator
from myevic.
Board temp reading is highly inaccurate.
Just there, I have an RX2/3 on my desk; untouched since a few hours. Temp shows 27°C. I press a button and it jumps to 36°C with no real temperature change (still perfectly cold).
I wouldn't rely too much on the displayed number. Do you feel the temp increases? 40°C is damn hot. Can't miss it.
from myevic.
Yes, it "damn hot" and more than 45°C on the screen in passthrough mode, 2 bat. RX2/3
It seems liquid get overheated.
At the same condition it's not hot and no more than 39°C on the screen with evic mini
from myevic.
It seems to me you tried to make usb charging faster. It turned out faster but damn hot.
from myevic.
At the touch of boxing is not very hot, if not the reading on the SCREEN I would not pay attention, it quickly heats up but quickly cools, and you can ProFIX heating temperature? Yes, the batteries are charged only with the charger.
from myevic.
USB charging is the same as the original firmware. It charges at twice the max amps than the single-cell boxes so yes, it may be a little warmer, but should get nowhere near 40°.
I think your real problem is having a number on the screen you hadn't before.
You can read the temp on the original firmware by switching off the box and clicking 10 times on the fire button. Would be surprised if you get different readings.
from myevic.
Boxing does not alter the official firmware, it requires an increase in
from myevic.
I swear ^^
I don't vape, usb charging, temp is 40 C
If I vape while charging - temp is above 45 and it is not comfortable.
It is not a little less comfortable it significantly LESS COMFORTABLE as on evic mini.
(Why i bought this damn shit RX, it would be better to buy charger and a couple of spare batteries...)
May be good idea to have two usb charging profiles:
First is hot and fast but vaping prohibited.
Second is cold and slow but vaping is comfortable.
from myevic.
@Filo301 @ClockSelect sorry for be here again asking maybe useless question , but what is need for this firmware work in RX200 is port the menu to a screen form factor of the RX200 or need something else ? for your experience how hard can be this ? i have a lot of free time but i don't have much clue about C or C++ but i have a little bit experience in other language so i have a idea of what programming is so i think maybe i can give a try .
disclaimer i suffer/have/choice/select from procrastination a lot so ppl don't hold your breath for this or light any hope about this.
from myevic.
It's not highly complicated, but really cumbersome.
You'd have to rewrite the whole screens drawing part and some of the event management parts, along with the whole menu system which is inadapted to a small display.
Also, the communication with screen controler is different and requires to rewrite some of the display hardware part too.
Technicaly, the RX200 is an triple-cell Eleaf box. If you rewrite the firmware for the RX200, you'll also have rewritten it for the TC100W, the Pico, etc.
from myevic.
thanks !
from myevic.
Unfortunately when trying to load the logo with dimensions different from 64h48 on the RX2 / 3 Editor automatically resize to the specified size !!! Can I download the logo of different sizes and how to do it?
from myevic.
@Villista its a know issue, we would need an universal Updater with Variable Logo Size support
from myevic.
And where can I get such a universal updater? It's a secret? :-)
from myevic.
Sadly we dont have one yet
from myevic.
Good time to all! Switch the screen in the "Inversion-On" mode and was surprised that the screen remains switched on continuously in white. I think that it does not save battery power. To restore the burned pixels will be enough inversion in information display only (if someone wants to, then turn on the "snow" screen saver option). I think the screen should fade to black in any mode "Inversion On / Off". Correct me if I'm wrong?
from myevic.
That's what is does. It fades to black, but since it's inverted, it shows white^^
Only when it switches off (in sleep mode) will it go to black. That's after 3 minutes of inactivity without screen saver or at the end of screen saver duration (or when you switch the box off).
Max power consumption of pixels is 100µA/line, that's 12.8mA for a full white screen at 100% contrast (half of that at 50% contrast and so on).
So yes it's not neglictible.
from myevic.
Related Issues (20)
- Modding X32 in VTC-Mini? HOT 1
- Primo support HOT 15
- Disabling clock on main screen RX2/3? HOT 3
- Feature request: Contrast for Screensaver HOT 2
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- Clockselect??? You're back??? HOT 5
- Thoughts and suggestions HOT 20
- Wismec firmware update program not recognizing my Rx2/3 after using custom firmware HOT 3
- Info on splash screen HOT 3
- Joyetech Cuboid Tap
- rx75? HOT 1
- Wismec RX 2/3 keeps resetting to vw (power) mode HOT 3
- Is this part of code correct? HOT 1
- RX2/3, LightSleep, charging does not begin. HOT 2
- DataFlash
- RX2/3 microcontroller available pin? HOT 2
- Bypass? How to get out of bypass mode HOT 1
- "Please confirm the hardware version!!" Error when trying to install myevic firmware. Help!
- 3D Setting Reset When Swapping Battery?
- Trying to compile in 2022
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from myevic.