CMOS/case Speaker in CT

Johnatan56

Johnatan56

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Daruk said:
Isn't it just a piezo buzzer?
https://www.google.co.za/search?q=p...hWCuHEKHdVxDHUQ_AUoAnoECBAQAg&biw=412&bih=604

*Edit* just make sure it's rated for 5v DC
Click to expand...
A buzzer usually has an oscillating transistor circuit inside - to make the buzzing noise when voltage is applied, so it makes a tone.
Applying voltage to a speaker will not make a tone, so you'd need an external oscillating circuit (e.g. a 555, or transistor oscillator). A speaker can play all kinds of sounds, however due to its built in circuits, a buzzer may not be capable of playing tones other than its oscillator's tone.
Buzzers are usually piezo buzzers - based on a tiny bit of crystal inside. You can usually see a metallic flat surface there, with a larger box/circuit underneath for the built in oscillator circuit.
Comment: Piezo buzzers are essentially piezo speakers with an oscillator circuit attached – Chris H Feb 27 '17 at 9:53
Click to expand...
https://electronics.stackexchange.c...zzer-and-a-speaker-and-are-there-any-other-ba
Click to expand...
Not sure if that will work? Not experienced messing with speakers/buzzers. It's to plug into the mobo to diagnose what the error is, have reseated the RAM, swapped the GPU, so need to check whether it's CPU or Mobo. If CPU, I'll upgrade both, if mobo I'll just pick up a cheap one.
 
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