Arduino Buzzer Module

$ 1.30 + TAX
$ 1.30
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    • Passive Buzzer Module car liquidificador ultrasonic Analog sensor acs712 load cell cx 31 vw Hc-sr501
    • 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.
    Features
    • 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











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