[tech] Vending machine brain

[Mark Tearle]

On Mon, 11 Jun 2001, John West McKenna wrote:

> Mark Tearle writes:
>
> >Cool, would you be able to put the dissassembly up somewhere...
>
> http://www.ucc.gu.uwa.edu.au/~john/vend.asm
>
> It's got a few comments on the bits I figured out before I got bored and
> found something else to do.
>
> It's not worth using any of the old software.  The disassembly is just to
> figure out how the hardware was intended to be driven.  A first draft at
> new software should be very simple: load the row and column you want into
> the motor drivers, then wait for the home sensor to go off, then on again.
> Once that's working you can get fancy with the buttons, display, and coin
> mech.
>
> John

And 300dpi TIFF scans of the circuit diagrams are at:

http://mtearle.ucc.asn.au/vend-scans/

for the purposes of study and compatibility.

Yours
Mark "thinking about image enhancement"
-- 
Mark Tearle - mark at tearle.com

 "The only good is knowledge and the only evil is ignorance." - Socrates