RE: [CAD_CAM_EDM_DRO] Re: USB-DRO now available

Do you think these encoders would work for a demo - like EtchaSketch or ??
they are only 90 click per rev, but quad (and our sci club has them :o))
http://www.vexrobotics.com/vex-robotics-optical-shaft-encoder-kit.shtml

Chuck Merja
<http://www.srvscience.org> www.srvscience.org
US FIRST Robotics - http://www.usfirst.org/

> The DRO is implemented with the aid of a dedicated hardware counter
> board with 32 bit registers and 1 million count per second
> capability.

Correction, this should be 24-bit registers. Should still be
plenty. ;-)

>Works with user supplied quadrature encoders( 5vdc
> single ended ) or pulsers, with 1 2 and 4X count multipliers.
> Offloading of the count functions to an external board, permits
> simultaneous operation with Windows PC controllers such as DeskCNC,
> Mach3, ncPOD, Flashcut, etc.
>
> The counters can be preset and will accurately display inches, mm,

or

> degrees. The counters can also function as tachometers.
>
> The DRO is ideal for manual machines, and is also fast enough to

keep

> up with most CNC machines. When used in conjunction with a CNC
> machine, it can be used to independantly verify position on a

stepper

> system. It has Backlash compensation to facilitate use of rotary
> shaft encoders on linear slides.
>
> 4 axis kit $250.
>
> For more info: http://www.cadcamca

<http://www.cadcamcadcam.com/usb-dro-kit.aspx> dcam.com/usb-dro-kit.aspx

>
> Best Regards,
>
> Fred Smith - IMService
> http://www.imsrv <http://www.imsrv.com> com
>

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