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Results tagged with piezo-buzzer
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user 238829
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.
10
votes
Lowering pitch sound of a piezoelectric buzzer
The frequency response of a normal coil, magnet and cone speaker in a proper enclosure is a fairly flat line of sound levels from a low frequency to a high frequency with a low frequency resonance. Bu …
- 4,436
0
votes
Drive 10 piezo buzzer from micro controler simultaneously and independently
You cannot control the frequency of those buzzers. They produce a single frequency somewhere from 2300Hz to 3300Hz like a smoke detector.
Instead you need a piezo transducer that can be driven from yo …
- 4,436
1
vote
Self Drive Piezo Element/Self Excited Piezo Element Circuit
There are many different types of oscillators, I do not know which one you want.
Here is the horrible frequency response of a typical piezo transducer (speaker).
The difference in output level between …
- 4,436