piclist 2000\11\16\164248a >
Thread: Discrete money testing device
face BY : David VanHorn email (remove spam text)

At 11:25 PM 11/16/00 +0200, you wrote:
>Need to do a discrete implementation of a money-testing device (bank notes
>and possibly coins), anyone with some experience, for a starting point?

US paper money dosen't flouresce under UV, and has weakly magnetic ink.
Copier toner is much more magnetic.
UV light can be had from a simple spark, add a filter and you have a UV
A photodiode can look for the flourescence.

Coins might not be worth the trouble (unless it's a vending machine or some

Where's dave? http://www.findu.com/cgi-bin/find.cgi?kc6ete-9

http://www.piclist.com#nomail Going offline? Don't AutoReply us!
email KILLspamlistserv@spam@spam@spam@mitvma.mit.edu with SET PICList DIGEST in the body


In reply to: <001c01c05013$b4ccdf60$b8bb1fc4@vectorgr>
See also: www.piclist.com/techref/index.htm?key=discrete+money+testing
Reply You must be a member of the piclist mailing list (not only a www.piclist.com member) to post to the piclist. This form requires JavaScript and a browser/email client that can handle form mailto: posts.
Subject (change) Discrete money testing device

month overview.

new search...