[Wear-Hard] USB powered MicroOptical

[Bryan Hurley]

Thanks for the quick and thorough reply. I was worried that it was bypassing
the voltage regulator and needed to be soldered directly to the board but
this is easy, I already have a gutted battery with wires coming out like
that so no problem doing it.

thanks again
Bryan Hurley

On Thu, Apr 3, 2008 at 11:14 PM, Greg Priest-Dorman <priestdo at cs.vassar.edu>
wrote:

> >>>>> "Bryan" == Bryan Hurley <bryan.hurley at gmail.com> writes:
>
> Bryan> How does one do the conversion? I haven't seen it documented
> anywhere.
> Bryan> I have both an SV-3 and SV-6. Does it work on both, or only the 3
> because of
> Bryan> the lower power consumption?
>
> I have the lower power 4bit microoptical and this works fine.  I
> beleive Thad does this with his 16bit microoptical.
>
> 1) take a usb cable
>
> 2) cut off the end
>
> 3) identify the VCC and GND line (I just found a picture at
>   http://www.pc-control.co.uk/usb%20pinout.htm if you need one)
>
> 4) trim the other 2 lines to different lengths so they can't
>   inadvertently touch eachother or the power lines.
>
> 5) attach the VCC and GND lines to the contacts on the microoptical.
>   I did this by taking an old dead sony battery and cut it up.
>   Removed the cells and circuit. Soldered the lines to the inside of
>   the (now) empty battery shell.  Now I have a battery like thing I
>   can plug into the microoptical and a usb plug on the other.
>
> 6) plug it in a powered usb (host) .
>
> 7) turn on your microoptical.
>
> It is only getting 5v, so the low battery light on the
> microoptical *will flash* but it will continue to work.  You could
> always cover or clip that led.
>
> Good luck,
>
> -Greg
> --
>
>  Greg Priest-Dorman
>  priestdo at cs.vassar.edu
>
>
>
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