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Contextual Info: PF239-05 S V M 7 820Cseries Melody 1C # LEO and Piezo Buzzer Drive # Selectable Melody Play Modes # No External Components are Required •DESCRIPTION The SVM7820C series are melody CMOS ICs, designed for playing musical tunes automatically. Which only requir a 3.0V battery, LED and Piezo buzzer as external components to minimize the total cost and to make |
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PF239-05 820Cseries SVM7820C 500k-ohms 330k-ohms) |