Ambulance, Fire,
Police, and Machine Gun Sounds Kit
This series of kits, known as chip-on-board or COB, have application
specific IC's at the heart. This means that each IC has only one very specific
application, and that it was designed to do that specific job with as few external
components as possible. For example, the CK1203 has a COB that is a CMOS VLSI that makes
four sound effects for the model railroader. (VLSI=very large scale integration) These
COB's are small and should be quite concealable in most applications.
This COB kit is fun for children's toys. Three
different siren sound effects to emulate ambulance,fire and police. The
circuit may be set up to trigger the sound for about eight seconds: or
sound may be turned on continuously at your discretion. The fourth sound
is that of a machine gun firing: sounds that will remind you of familiar
urban nights.
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