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Sound Generator with IC 555 circuit diagram
2015-02-02 23:30
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This is a sound generator based on timer IC 555. A flip-flop circuit is included, so this circuit will give sound output and blinking LED.
Components:
Resistors:R1, R7___________________ 470Ω R2_______________________ 1kΩ R3_______________________ 68Ω R4, R6___________________ 56kΩ R5_______________________ 47kΩ R8, R9___________________ 10kΩ VR1______________________ 200Ω PotentiometerCapacitors:C1, C2, C3_______________ 10μF/16V C4, C5___________________ 0.02μF (20nF) C6_______________________ 100μF/16VSemiconductors:Q1, Q2___________________ 2N3904 IC1______________________ 555 or 1455 LED1, LED2_______________ LED
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