Hyde-Out Mountain Live Steam sound system

Basic digital steam-locomotive sound system
RELATED TOPICS: control and electrical
Kevin Strong
The system consists of a small sound board (1" x 3"), a 1.5" speaker, a battery pack that holds three AA batteries to power the system, and some magnets to trigger the sounds. Wired to the board
are two magnetic reed switches-one for the bell and one for the whistle-and a power switch.

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