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Simple Electronic Talking Compass

A talking compass is made up using a Hall-effect direction sensor (MOD1) and an ISD1016 analog audio storage device.

Simple Electronic Talking Compass Circuit Diagram:

Simple Electronic Talking Compass

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 (MOD1), and ISD1016 analog storage de-vice (U2), a 74S188 preprogrammed PROM (U3), and a handful of additional components. 
Simple Electronic Talking Compass Simple Electronic Talking Compass Reviewed by haru on June 29, 2017 Rating: 5

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