Sirens, Warblers and Wailers
The sources of the following circuits are contained in the Sources section, which begins on page 173. The figure number contained in the box of each circuit correlates to the source entry in the Sources section.
Two-Tone Siren
Yelping Siren
Siren
Two-State Siren
7400 Siren
Toy Siren
Multifunction Siren System
Linear IC Siren
Super Sound Generator
Hee-Haw Siren
Programmable-Frequency Adjustable-Rate Siren
The Wailing Siren
High-Power Siren
Hee-Haw Two-Tone Siren
Siren Simulates Star Trek Red Alert
Yelp Oscillator
Electronic Siren
555 Beep Transformer
Warble-Tone Alarm
Warbling Tone Generator
Warble Generator
Wailing Alarm
Siren Uses TTL Gates
Electronic Ship Siren
Varying-Frequency Warning Alarm
Steam Train With ...
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