Cat toys electronic circuit

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Circuit works: When you clapping sound through the piezoelectric ceramic HTD people seized converted into an electrical
Cat toys electronic circuit - schematic

signal fed to the transistor VT1 after amplification, through the coupling capacitor C1 to the base of the electrical path 555 2 feet, 3 feet high output power of 555 level. In this case the VT2, VT3, T, B, called oscillator consisting of cats began to give power to make T, speaker B issued meow sound.

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