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Author Topic: SINGLE CELL CF/PC and CF simple color mixing  (Read 26623 times)

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Offline Psab Keel

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Re: SINGLE CELL CF/PC and CF simple color mixing
« Reply #15 on: October 11, 2013, 09:27:39 PM »
Thank you for posting this Erv!  Does this hack affect the run time?

So cool to know this is possible!

Offline Sandpeople are people too

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Re: SINGLE CELL CF/PC and CF simple color mixing
« Reply #16 on: October 11, 2013, 10:21:50 PM »
Thank you for posting this Erv!  Does this hack affect the run time?

So cool to know this is possible!
Would this also affect the brightness of the LED (like a Led Engin or a Luxeon Tri or Quad)?
Is there a video to compare a 7.4 standard vs single cell?

thanks!

Offline erv

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Re: SINGLE CELL CF/PC and CF simple color mixing
« Reply #17 on: October 12, 2013, 12:16:31 AM »
I haven't got a chance to make a video like this but it is planned !
the brightness isn't affected per say by the conversion, as the amount of current you can send the LED depends essentially on your battery.

if you had a setup with a 2x18650 cell 2400 mAh (let's say 3A discharge rate), this max payload doesn't change when you go to a single cell (it's still a 18650 battery, 2400 mAh), so the brightness is unchanged.

However, using a single cell places you much closer to the LED Vf (or "threshold"), therefore you'll have a reduced runtime, as the provided voltage by the battery pack is lower.

Offline Merik

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Re: SINGLE CELL CF/PC and CF simple color mixing
« Reply #18 on: October 17, 2013, 07:42:31 PM »
My question is about the simplified color mixing, especially after going to a single-cell battery setup.  What exactly do you lose by not using the CeX?  Do you still have the blade flicker and shimmer effects when using leads 2 and 3?  Also, you mentioned color separation as a potential issue.  If you keep the current up, even during clashes, is the color separation really noticeable?
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Offline Justintmars

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Re: SINGLE CELL CF/PC and CF simple color mixing
« Reply #19 on: October 17, 2013, 08:13:44 PM »
As the battery depletes the colors change, especially in a deep pulse or when powered off an on I believe.
You can do the simplified color mixing without a single cell set up, you have to use some hefty resistor though depending on your leds as most leds are around 2.8-3.4 vf and you will be running it off a 7.4v battery.

Offline Forgetful Jedi Knight

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Re: SINGLE CELL CF/PC and CF simple color mixing
« Reply #20 on: October 17, 2013, 08:44:13 PM »
As the battery depletes the colors change, especially in a deep pulse or when powered off an on I believe.
You can do the simplified color mixing without a single cell set up, you have to use some hefty resistor though depending on your leds as most leds are around 2.8-3.4 vf and you will be running it off a 7.4v battery.

Single battery solutions are 3.7V, not 7.4V  ;)


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Offline Justintmars

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Re: SINGLE CELL CF/PC and CF simple color mixing
« Reply #21 on: October 17, 2013, 08:58:31 PM »
As the battery depletes the colors change, especially in a deep pulse or when powered off an on I believe.
You can do the simplified color mixing without a single cell set up, you have to use some hefty resistor though depending on your leds as most leds are around 2.8-3.4 vf and you will be running it off a 7.4v battery.

Single battery solutions are 3.7V, not 7.4V  ;)
Where in this did I say single cell is 7.4? lol

I was just clarifying that without the single cell hack (i.e 7.4v, the normal stock set up) you can wire the "simplified color mode"

the comment before was asking what is the advantage of using color extender, this is what I was answering.

The advantage of 3.7v and simplified color mixing is less resistors and wirring is what I meant lol


« Last Edit: October 17, 2013, 09:18:57 PM by Justintmars »

Offline erv

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Re: SINGLE CELL CF/PC and CF simple color mixing
« Reply #22 on: October 20, 2013, 10:38:04 AM »
that's correct, you can also do the simple color mixing without the CEx, though I really recommend using it as it works with lower heat / temp, and guaranties a constant color over the battery runtime !

Offline clahey83

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Re: SINGLE CELL CF/PC and CF simple color mixing
« Reply #23 on: February 14, 2014, 08:34:28 AM »
This may seem like a dumb question, but are you able to use a CeX board with single cell operation?

Offline CHEWBACCA

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Re: SINGLE CELL CF/PC and CF simple color mixing
« Reply #24 on: February 14, 2014, 08:38:00 AM »
Yes


Offline Professor Huyang

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Re: SINGLE CELL CF/PC and CF simple color mixing
« Reply #25 on: February 14, 2014, 08:57:16 AM »
I was not aware of that, either. Good to know!
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Offline LUMINARA UNDULI

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Re: SINGLE CELL CF/PC and CF simple color mixing
« Reply #26 on: February 14, 2014, 09:00:38 AM »
Keep in mind that many LEDs really want close to 4V, which is the advantage to 2-cell set ups.  Even with the CEx board it will simply regulate the current with what is available from the vpower source, it cannot take a 3.7V battery and change it into 5V :)).  Often, a single cell solution, regardless of the soundcard you are using, will sacrifice brightness to an extent.  On the other hand, if a single cell is all that fits, then you make your decision based on those logistics.



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Offline erv

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Re: SINGLE CELL CF/PC and CF simple color mixing
« Reply #27 on: February 14, 2014, 09:02:01 AM »
^^ which sums it up very well  :)

Offline Cad-Bayne

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Re: SINGLE CELL CF/PC and CF simple color mixing
« Reply #28 on: February 14, 2014, 09:38:50 AM »
Mooooore Pooooowaaaah!



Offline BEN KENOBI

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Re: SINGLE CELL CF/PC and CF simple color mixing
« Reply #29 on: February 14, 2014, 05:10:16 PM »
 8)

Thanks for the info erv. ;D

 

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