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مميزات خاصة
【3 pin control】 Passive Buzzer Module ,The module is driven by a 9012 transistor and uses a 3-pin control port.
【Easy to install】The Electronic speaker is equipped with a clamp nut for easy installation.
【Frequency controllable】Electronic alarm sound frequency can be controlled to produce the do re mi fa so la si do effect.
【Passive buzzer module】Passive buzzer has no internal oscillation source, so it cannot be made to scream if a DC is used. It must be driven by a of 2K~5K.
【Low level buzzer】In some special cases, a control port can be multiplexed with an LED.
وصف
Specification:
Item Type:Passive Buzzer
Working Voltage:3.3~5V
Small Printed Circuit Board Size:3.3 x 1.3cm / 1.3 x 0.51in
Module Pin:
VCC :to External 3.3~5V
GND:to External GND
I/O :to Microcontroller IO port