On Sat, Feb 04, 2006 at 05:13:25PM +0000, Peter Onion wrote:
> On Sat, 2006-02-04 at 11:20 -0500, Peter Todd wrote:
> > Thought you guys my like this one... I talked about using a PCB board as
> > a PROM awhile back... Sure enough, it's been done, in a fashion. These
> > two pictures show what I'm going to call a MPROM, Mechanically
> > Programmable Read Only Memory.
> > 
> > http://petertodd.ca/persist/2006-02-04/mprom_front.jpg
> > http://petertodd.ca/persist/2006-02-04/mprom_back.jpg
> 
> Isn't this just a degenerative form of "diode matrix ROM"
> Hardly a new idea I'm afraid ! 

Er, exactly my point... I just think it's cool I managed to find a real
example of such an old idea.


Note that technically as there are no diodes in the array it's use as a
full memory is limited, just think which pathways end up shorted as you
add bits. Still, cool all the same.

-- 
pete@petertodd.ca http://www.petertodd.ca
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist