PicForum • What is this sound

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What is this sound

Posted: Sat Oct 06, 2018 10:47 am

by LED

Hello
When we dial phone there is sound of beep which change why this happen what is the name of it

Re: What is this sound

Posted: Sat Oct 06, 2018 11:38 am

by ric

This has nothing to do with PIC programming.
Please, take inane questions somewhere else.

Re: What is this sound

Posted: Mon Oct 08, 2018 2:41 am

by AussieSusan

Look up DTMF