[tech] Note Reader

[Adrian Chadd]

Don't we have a note reader? Or is it pre-plastic notes?



adrian

On Sat, Sep 05, 2009, mitch at ucc.gu.uwa.edu.au wrote:
> Hi All.
>
> Is anyone interested in coming to UCC to design a Note reader for  
> dispense, I have a few ideas in mind on how to do it but require some  
> assistance.
>
> Anyone Keen for later today or tonight?
>
> Idea:
> Grid of 6~ LDR's with white light on base projecting thru note,  
> Depending on the amount of light received on the flip side determines  
> what note it is, Its Sorta foolproof as Plastic/Paper will allow  
> more/less light through. And a small motor to pull the note in/out, PIC 
> or AVR to check the light levels of each LDR.
>
> Pretty simple really...
>
> Mitch