[sdiy] magno-sniffer

[Toby Paddock]

Sorry, that was meant to go to the 
SYNTHetic-tropical-fruit-sniffing-device-DIY list. 
My bad.

Toby

> ahh dyslexia.
> 
> I looked and said (to myself)
> 
> what would Toby be posting about a MANGO-sniffer for ???     ;^P
> 
> H^) harry
> 
> "Paddock, Toby" wrote:
> 
> > Since we were talking about working with magnets, I thought I'd post about a
> > simple field sniffer I made. Makes it easy to check what's N and S and some
> > rough field mapping.
> >
> > http://www.seanet.com/~tpaddock/public/magsniff.jpg
> >
> > Allegro free sample linear hall sensor, CMOS 555, battery, switch, 5V reg,
> > radio shack piezo transducer, some R's and C's, hot glue, and tongue
> > depressor. Sensor output goes to 555 pin 5 to change pitch.
> >
> > Toby Paddock
> 
>