Sounds From The Old West

Posted on Feb 5, 2014

This circuit shows how far integration can be taken: IC1, a Type HT82207 from Holtek does virtually everything. Only a (small) loudspeaker and the necessary selectors need to be added. The standard 18-pin Type HT82207 is an integrated sound generator, producing sounds typical of the Old West. The various sounds are selected by S1 S6 as listed be

Sounds From The Old West
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low. In the quiescent state, the circuit draws a current not exceeding 1 µA.

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