Well, since EVBOT having transition state currently, here's alternative solution for you, EPOWER people.

 

 

Since controller accepts controls from PMBus, attached Raspberry Pi can talk to EPOWER and adjust voltages. Voltage range is 0.6 to 2.0V

 

Tested with Model B Rev2.0 (not plus), but should work with any Pi.

 

Details in this article for those who interested.

 

 

Try it, and let me know if any problem

 

Also old-school hardware-only way with trimpot resistor is covered too.

 

Edited May 29, 201510 yr by TiN

This = awesome

Seriously cool!

great! thank for sharing

AWESOME ! This is just perfect !

Any chance to compile this to run on the Odroid XU3 ? Shared Source code ?

Any chances of doing this with an arduino?

Yes, this is a relatively basic i2c communication.

 

You can also use EVC.

 

Any chance to compile this to run on the Odroid XU3 ? Shared Source code ?

 

WiringPI is available for hardkernel: https://github.com/hardkernel/wiringPi

I asked TiN the same thing over at KPC and he said it would be possible to do it but he cannot release NVidia's voltage tables for Arduino since they wouldn't be compiled in .exe form and would essentially be out in the open.

Btw, it's not nvidia's to be precisely correct

And I dislike arduino stuff regardless Pure C FTW!

Hi Tin, is possible have a read out of the current? The CHL8318 should support this features, if i'm correct.

@Massman : perfect

Hi,do i need EPower or i can use Raspberry straight to gpu?

Hi,do i need EPower or i can use Raspberry straight to gpu?

 

This whole thing is about using the RPi to control the E-power. What do you want to hook the RPi to?

thanks for answer, problem is find evbot, i tought was alternative way, but seems too difficoult for me

Here I showed example of using RPI directly to VGA to control voltages.

So yes, you can directly control VGA, if you know what to send to control voltages/settings on I2C.

Here I showed example of using RPI directly to VGA to control voltages.

So yes, you can directly control VGA, if you know what to send to control voltages/settings on I2C.

 

Where there is a TiN, there is a way!