Paddle controller for GPU overclocking

[Fred] likes to squeeze every cycle possible out of his graphics card. But sometimes pushing the clock speed too high causes corruption. He figured out a way to turn a knob to adjust the clock speed while your applications are still running.

The actuator seen above is a Griffin Powermate 3.0. It’s a USB peripheral which is meant to be used for anything you can imagine. [Fred] uses an AutoHotKey script that he wrote to capture the input from the spinner, process that information, then adjust GPU clock speed in the background. Since the clock on his ATi Radeon 5800 can be adjusted using the AMD GPU clock tool, it’s an easy choice for this application. Now better graphics are at the tips of his fingers. See for yourself in the video after the break.

Of course if you don’t want to shell out for the fancy hardware you could always build your own paddle controller.

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Scratch built jog wheel


[whatsisface] sent in his scratch built clone of a Griffin PowerMate. The PowerMate… is just a big knob, so it’s easy to see why more than one person has attempted this. [whatsisface] was inspired by a bit-tech post that did nearly the same thing, only they used the head out of a VCR for the knob. All the other components, like the optical encoder, are salvaged from a mouse, which we talked about in our scavenging How-To. He used a RC car tire for the actual knob. While we’re sure it works great in dirt, we’d probably go with the weight and inertia of the VCR head instead. Have a look at the video below to see the knob being used with the Volumouse software.

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