Customer’s impression:
Boa Qualidade !!!
Create Review

Share your reviews,
photos and videos here!

  • NOT a buzzer

    posted by clough42 on 03/05/2013

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month


    This is an amplified piezoelectric speaker. It uses a transistor to amplify a logic-level signal and drive the piezo unit.


    This is not a buzzer. You must provide a waveform on the S pin to get a tone out of the speaker. There is no built-in tone driver.


    When you pull the S pin low, the speaker emits a single click. You must provide a square wave to get a tone out of it.


    This seems to be a decent little amplified piezo speaker, but it is most definitely not a buzzer, as advertised. I bought it for my son to use in his arduino projects, and it works fine for that application.

Post comment

DX Everywhere