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Keyestudio RJ11 EASY-plug Active Buzzer Module for Arduino STEAM

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Hey want to hear a really loud noise? Apply 3.3V to 5V to this buzzer module and you'll be rewarded with a loud beep.

Here is the simplest sound making module. You can use high/low level to drive it. Just change the frequency it buzzes, you can hear different sound.
It is really great for integrating into projects with this small but useful module.
Have a try! You will find the electronic sound it creates so fascinating.
This module is widely used on your daily appliance, like PC, refrigerator, phones, etc.


  • Sensor type: Digital

  • Working voltage: 3.3-5V

  • Icons to simply illustrate module function

  • High quality connector

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