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Isi dalam paket seperti gambar: 1x Modul Sensor Suara KY037
Spesifikasi: * Main chip: LM393 * Microphone: Electret condenser microphone * Working voltage: DC 4-6V * Signal output indication * Single channel signal output * The output effective signal is low level * Builtin power LED indicator and comparator output LED indicator * Microphone sensitivity (1Khz): 52-48dB * Microphone Impedance: 2.2K * Microphone Frequency: 16-20Khz * Microphone S/N ratio: 54dB