Quote:
Originally Posted by youssef
Dear Franco:
Waiting for more pictures of close-circuit and video if possible.
And how we can use variable frequency by country in which we live.
The batteries used what voltage is it? I put a picture attached and I hope to clarify what there is inside the circle.
I ask you to forgive me for I am new in this regard.
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I believe that this circuit does not work.frq is hight .
We need to lower frequency about 20khz