Ximimark 6Pcs Active Buzzer Alarm Module Sensor Beep for arduino Smart car

Ximimark 6Pcs Active Buzzer Alarm Module Sensor Beep for arduino Smart car

• 【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.
• 【Easy to install】The Electronic speaker is equipped with a clamp nut for easy installation.
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