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Sprinkler Sound Effects Artificial Circuit

2014-11-13 18:16  
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Sprinkler Sound Effects Artificial Circuit
Sprinkler sound effects artificial circuitis composedof a CD4069 and a CD4011, which form three groups of multivibrator with different frequencies. After mixing and modulating, it will produce a sound simulating that of water sprayer. The circuit is as shown in the figure. Two gates of CD4069 in the circuit D1, D2 compose a low frequency multivibrator with R1 and C2, whose function is to control the two audio oscillators to work by turns through cyclical change of the output pulse.