RE: Dinsmore Compass 1490 You say these devices just use hall effect devices to detect the
direction, do you have any technical information that would assist in
producing a digital compass from scratch ?.

Thanks

John Hatton
mailto:johnhatton@email.com

>-----Original Message-----
>From:	Tom Brusehaver [SMTP:tgb@cozy.wamnet.com]
>Sent:	05 February 1999 21:11
>To:	Simon.Schulz@hagener-tgz.de
>Cc:	handyboard@media.mit.edu
>Subject:	Re: Dinsmore Compass 1490
>
>
>>http://dinsmoregroup.com/dico/1490spec.htm
>>
>>They produce a digital Compass which is very cheap ($12  only).
>>Anyone already used such a compass ?
>>Is there a way to get such a compass working with
>>the HandyBoard ?
>
>The dinsmore devices are really easy to work with.  This one has 4
>hall effect devices in it, and the output is digital. If you align it
>with cardinal coordinates you can tell North, East, South, and West
>very easily only one device is triggered, and the NW, NE, SE, NW
>coordinates when two devices are triggered.
>
>Simply bias the the devices, and read the digital output at any device
>output. 
>

