HALJIA 2Pcs DC 3 24V High Decibel SFM 20B Piezo Buzzer Electronic Tone 2312 Alarm Continuous Sound Cable Length 120mm Sounder
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Piezoelectric buzzer is mainly made up by multivibrator, piezoelectric buzzer chip, impedance matching unit, resonator and shell. Multivibrator is composed of transistors or integrated circuits. When switched on, multivibrator vibrates and outputs audio signal. Impedance matcher drives piezoelectric buzzer sound. Connected to rated power and the buzzer will sound continuously. Can be controlled conveniently.
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Amazon
Piezoelectric buzzer is mainly made up by multivibrator, piezoelectric buzzer chip, impedance matching unit, resonator and shell. Multivibrator is composed of transistors or integrated circuits. When switched on, multivibrator vibrates and outputs audio signal. Impedance matcher drives piezoelectric buzzer sound. Connected to rated power and the buzzer will sound continuously. Can be controlled conveniently.
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Description
(1)
Piezoelectric buzzer is mainly made up by multivibrator, piezoelectric buzzer chip, impedance matching unit, resonator and shell. Multivibrator is composed of transistors or integrated circuits. When switched on, multivibrator vibrates and outputs audio signal. Impedance matcher drives piezoelectric buzzer sound. Connected to rated power and the buzzer will sound continuously. Can be controlled conveniently.
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