Low level trigger buzzer control board for passive buzzer module

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148 Units in Stock
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US$0.43



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Introduction

  • Now there are a lot of people to the concept of passive and active buzzer buzzer is not very clear, do a simple introduction here, hope to help everyone to use in the future.

  • Note that in this case, the "source" is not the power supply. It is the volatile source.

  • The characteristics of the passive buzzer is:

  • 1 passive internal without shock source, so if use dc signal can't make it. Must use 2 k ~ 5 k square wave to drive it

  • For more than 2 sound frequency control, can make "m hair sola west" effect.

  • 3 in some particular case, can reuse and LED a control

  • The characteristics of the active buzzer is:

  • 1 active buzzer inside with shock source, so as long as the electricity will call

  • 2 program control convenient, single chip microcomputer a high and low level can make the sound, and the passive buzzer is can't do.

  • Each weight is about 6 g

 

Feature

  • 1 module driven by 9012 triode

  • 2 working voltage of 3.3 V to 5 V

  • 6 sets of fixed bolt hole, convenient installation

  • 7 small board PCB size: 3.3 cm * 1.3 cm

  • 2 module interface specification (3 wire system)

  • 1 VCC external 3.3 V to 5 V voltage (which can be directly connected to 5 V microcontroller and 3.3 V microcontroller)

  • 2 GND external GND

  • 3 I/O external microcontroller IO port

Shipping List

  • Low level trigger buzzer:1pcs

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