Steam Whistle Display

Projects
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Project:	Steam Whistle Display (I)
Description:
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A museum asked us to build the electronics for a display where the visitor would pull a rope, and one of four steam whistle signals would randomly play. The physical part of the display would then help the visitor to understand what the whistle signal meant.

We set up the mechanism to pull the rope to trigger a switch, ...

File:Steam whistle case lever.jpg