Active Buzzer Alarm Module Sensor Beep for arduino smart car

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Seller: alice1101983 ✉️ (568,787) 99.4%, Location: ShenZhen, CN, Ships to: WORLDWIDE, Item: 310674873043 Active Buzzer Alarm Module Sensor Beep for arduino smart car.

Product Details

There are many people active and passive buzzer buzzer concept is not very clear, here to do a brief introduction, we want to be helpful for future use.   Note that the "source" does not mean power. But rather refers to the shock source. Passive buzzer is characterized by:
A passive internal sources without shocks, so if the DC signal can not make it with a tweet. Must 2K ~ 5K square wave to drive it
2 sound frequency controllable, you can make a "more than a meter hair Suola Xi" effect.
3 In some special cases, you can reuse a control and LED mouth Active buzzer is characterized by:
An active internal buzzer with shock source, so long as a power will be called
2 program easy to control, SCM can allow a high and low sounds, while passive buzzer can not.   One module description
A module using 9012 transistor drive 2 Operating voltage 3.3V-5V
6 with fixed bolt hole for easy installation
7 small plates PCB size: 3.3cm * 1.3cm Two module interface specification (3-wire)
1 VCC external 3.3V-5V voltage (5v microcontroller and can be directly connected to 3.3v MCU)
External GND 2 GND
3 I / O external microcontroller IO port   Package Include:   1 x Active Buzzer Alarm Module Sensor Beep For Arduino Smart Car
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  • Condition: New
  • Brand: Unbranded/Generic
  • Country/Region of Manufacture: China

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