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Sound generator circuit diagrams

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555 Tone Generator (8 ohm speaker)
555 Tone Generator (8 ohm speaker)
December 27, 2010

This is a basic 555 squarewave oscillator used to produce a 1 Khz tone from an 8 ohm speaker. In the circuit on the left, the speaker is isolated from the oscillator by the NPN... [more]

Electronic Siren
Electronic Siren
December 19, 2010

An electronic siren made from discrete components. [more]

One-IC two-tones Siren
One-IC two-tones Siren
December 8, 2010

This circuit is intended for children fun, and is suitable to be installed on bicycles, battery powered cars and motorcycles, but also in models and other games. [more]

Cuckoo sound Generator
Cuckoo sound Generator
December 3, 2010

This circuit generates a two-tone effect very much alike the cuckoo sound. It can be used for door-bells or other purposes thanks to a built-in audio amplifier and loudspeaker. [more]

Low-distortion Audio-range Oscillator
Low-distortion Audio-range Oscillator
December 2, 2010

Producing low-distortion sine waves, this oscillator operates over the range 16 to 22000 Hz. [more]

Sound Effects Generator
Sound Effects Generator
November 30, 2010

This circuit uses a UM3561 IC to produce four different sound effects [more]

Sound Effects Generator 2
Sound Effects Generator 2
November 30, 2010

This circuit uses the Holtek HT2884 IC to produce 8 different sound effects. [more]

Electronic Canary
Electronic Canary
November 10, 2010

Feeling chirpy? Attract new friends with this modified hartley oscillator. You could also use it as a replacement doorbell. [more]

Two-Tone Siren Circuit Schematic Using One IC
Two-Tone Siren Circuit Schematic Using One IC
October 4, 2010

This circuit is intended for children fun, and can be installed on bicycles, battery powered cars and motorcycles, but also on models and various games and toys. With SW1 positioned as shown in the circuit... [more]


circuit from:http://www.extremecircuits.net/2009/12/two-tone-siren-circuit-schematic-using.html

Cricket Chirping Generator Circuit Diagram
Cricket Chirping Generator Circuit Diagram
October 3, 2010

This circuit generates an astonishingly real imitation of the chirping of the cricket. A suitable audio wave form is generated by IC2 and related components, driving the loudspeaker through Q1. To allow a more real-life... [more]


circuit from:http://www.extremecircuits.net/2010/01/cricket-chirping-generator-circuit.html



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