# Basic active buzzer to existing project guidance

**URL:** <https://forum.arduino.cc/t/basic-active-buzzer-to-existing-project-guidance/893597>\
**Category:** General Guidance\
**Created:** [August 8, 2021, 1:02pm UTC](https://forum.arduino.cc/t/basic-active-buzzer-to-existing-project-guidance/893597 "2021-08-08T13:02:28Z")\
**Posts on this page:** 1\
**Showing post:** 17

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**Author:** ![PerryBebbington](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/perrybebbington/32/238766_2.png) [@PerryBebbington](https://forum.arduino.cc/u/PerryBebbington)\
**Post date:** [August 8, 2021, 6:32pm UTC](https://forum.arduino.cc/t/basic-active-buzzer-to-existing-project-guidance/893597/17 "2021-08-08T18:32:34Z")

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> [@burg](#):
>
> Is there anything easy to overcome this

A diode [Flyback diodes and why you need them](https://forum.arduino.cc/t/flyback-diodes-and-why-you-need-them/675409)

However, I note you said:

> [@burg](#):
>
> have got the buzzer running on a secondary test D1

So if it already works on a D1 Mini maybe it's OK, maybe it does not produce lots of high voltage crap. Only way to know is with an oscilloscope.

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