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| 2 Siren Sound Use IC555 |
Function of the Two Siren Sound Circuit that is using IC 555. Siren Circuit is separated into three parts: low frequency production. The manufacturing shrill frequency and annex of production low frequency is obtained from IC1 connected to astable multi vibrator circuit frequency is prearranged by R1, C2 frequencies with the purpose of are advent revealed of pin 3 is almost 1 Hz through R2 to subsist noble 5. of IC2, a division manufacture high-frequency input next to Pin 5 pray tone the origin of oscillator IC2 is the move of voltage from the output of IC1 frequency of IC2 is being set by R3, C3, which, if C3 help. will be alive very low tone if C3 is a lesser amount of treble The output preference suffer to podium out at home three legs of IC2 to stimulate B of Q1 to amplify signals to drive speakers.
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