[Coco] Wico Command Control Trackball on eBay

[Walter Miraglia]

That's a very cool idea.  :0)



> On Oct 13, 2015, at 10:59 AM, Barry Nelson <Barry.Nelson at amobiledevice.com> wrote:
> 
> You know, I bet I could write an Arduino sketch that would that would take the signals from a PS2 mouse and output two voltages from zero to five volts. I would have to use the pwm outputs on the Arduino, and I would probably need to smooth them out with a capacitor and resistor to ground. What do you think? Arduino’s are pretty cheap, and they are VERY easy to program using their IDE. In fact I found this already written:
> 
> 
> 
> http://playground.arduino.cc/ComponentLib/Ps2mouse
> 
> 
> 
> I may play with this in a few days…
> 
> 
> 
>>   Date: Mon, 12 Oct 2015 13:45:23 -0700
> 
>>   From: tim lindner <tlindner at macmess.org>
> 
>>   To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> 
>>   Subject: Re: [Coco] Wico Command Control Trackball on eBay
> 
>>   Message-ID:
> 
> <CADftNqxGiPyPKg-Ogq8y0_PQeyRYkiX7uaSDOB8LiNmtijGw_A at mail.gmail.com>
> 
>>   Content-Type: text/plain; charset=UTF-8
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> 
> 
>>   On Mon, Oct 12, 2015 at 1:17 PM, Stephen Pereira
> 
>>   <spereira1952 at comcast.net> wrote:
> 
>>   Can one acquire a trackball for some other computer system for a significantly
> 
>>   lower price, and then simply change the connector to go into a CoCo?
> 
> 
> 
> 
> 
>>   Nope. The relative output of the "Optical encoder wheels" is converted
> 
>>   by a circuit to an absolute voltage. That circuit is what every other
> 
>>   trackball on the market would need to be used with the CoCo. So that
> 
>>   is what your paying for.
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> 
> 
>>   Now you've convinced me to get mine out of storage and write a review.
> 
> 
> 
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> 
>>   --
> 
>>   --
> 
>>   tim lindner
> 
> 
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