Mosquito Repeller

[Admin]

This thread is for the discussion of the Mosquito Repeller circuit.

 

[Justin]

Is there a way to test this circuit without actually having mosquitoes involved? Like say a way to confirm that a tone is actually being produced?

Breadboard Layout

 

[Justin]

Does anyone know where I can find a 15kHz piezo?

 

[dasari]

Is there a way to test this circuit without actually having mosquitoes involved? Like say a way to confirm that a tone is actually being produced?

Breadboard Layout

 

[dasari]

Is there a way to test this circuit without actually having mosquitoes involved? Like say a way to confirm that a tone is actually being produced?

Breadboard Layout

 

[dasari]

unfortunatly there is no negative supply for piezo,how can it work??

in breadboard layout

 

[Justin]

unfortunatly there is no negative supply for piezo,how can it work??

in breadboard layout

I'm not sure what you mean; can you be more specific so I can fix it?

I based my diagram off of this circuit diagram, which shows no negative feed going into the piezo buzzer.

 

[dasari]

I'm not sure what you mean; can you be more specific so I can fix it?

I based my diagram off of this circuit diagram, which shows no negative feed going into the piezo buzzer.

Thanks for correcting me.now I changed in my circuit also now it is quite than before.Anyway thanks for clarifying my doubt

 

[Justin]

Thanks for correcting me.now I changed in my circuit also now it is quite than before.Anyway thanks for clarifying my doubt

No problem, be sure to ask more questions if you have any, we'll do our best to answer!

 

[Justin]

Thanks for correcting me.now I changed in my circuit also now it is quite than before.Anyway thanks for clarifying my doubt

What is the value of the piezo buzzer you are using? Would you mind posting a picture of what you have on your breadboard, or even where you go your buzzer?

 

[Justin]

I've updated my breadboard layout

I also made a Microsoft word document that contains both the circuit diagram and the breadboard layout in a neat, one page, file that is ready to print. This file is availbe online and you can download that here.

 

[nelski]

does this circuit work? i tried a circuit like this before and does not have any effect on any mosqito. BTW 15kHZ is still audible by humans.

 

[Justin]

does this circuit work? i tried a circuit like this before and does not have any effect on any mosqito. BTW 15kHZ is still audible by humans.

You're right about the human audible range, I can't remember why I wanted 15kHz at the time since it was a long time ago. I don't know if this circuit works because nobody answered me about the value of the piezo buzzer.

 

[Fleck]

Any piezo or small speaker will produce 15khz. You'll be able to hear it working too

 

[homanbryan]

where can i find 15KHz buzzer??

 

[George]

where can i find 15KHz buzzer??

I don't know where to get one. I just looked through Digikey and theirs only go up to 12KHz. Sorry