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| Output control with sound |
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| Output control with sound can applied for control many devices such as lamp , radio.. |
| For circuit show in figure 1 which circuit consist main devices op-amp 741 and SCR |
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Figure 1. Schematics of Output control with sound |
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| From figure 1 Op-amp 741 is signal amplifiers from speaker which low signal.Signal from Op-amp will trig SCR (TIC106D) for drive relay . |
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Data Support |
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