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Home » Categories » Electronics Sound » Other electronics sound (buzzer,siren)
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A simple electronic buzzer
This very simple circuit just uses a couple of resistors, a capacitor and the easily available 555 timer IC.
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Beeper
This circuit produces the sound of a beeper like the one in pagers
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The Simple Pseudo-Random Sound Generator
This circuit runs on a single +5 Volt supply and drives a speaker directly. The sound that\'s heard originates from a 555 timer in one-half of the dual-555 chip (U1), the 556. This 555 circuit drives a 4024 CMOS 7-stage binary counter U2, which produ
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