Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options questions only not deleted user 9079

A piezo buzzer contains a piezoelectric element combined with an in-built oscillator / driver to produce an audible sound. While the output frequency is fixed using them is as simple as applying a DC voltage within the specified range.

8 votes
3 answers
5k views

Is this a proper way to connect a piezo speaker to MCU?

Is this a proper way to connect a piezo buzzer to microcontroller pin? Is there anything that could be improved in the sense of robustness and power consumption? How do i select D1?
3 votes
2 answers
5k views

Low power way to make a sound

I'm designing a 3V button cell battery powered device. I want it to beep or click or just make any noise at some times just loud enought to be heard across the room. I've made a prototype working on …