The Talking Compass Circuit

Posted on Oct 9, 2012

A talking compass is made up using a Hall-effect direction sensor (MODI) and an ISD1016 analog audio storage device. It is possible to program eight two-second announcements, for each of the eight main compass directions. The Talking Compass is comprised of a digital compass (MODI), and ISD1016 analog storage device (U2),

The Talking Compass Circuit
Click here to download the full size of the above Circuit.

a 74S188 preprogrammed PROM (U3), and a handful of additional components.

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