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Matrix Frequencies

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This topic has 0 replies, 1 voice, and was last updated 10 years, 5 months ago by Mridul Agarwal.

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April 27, 2013 at 4:41 am #4816

Mridul Agarwal
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I have got a 4*4 matrix keypad and I have a confusion that it will produce DTMF frequencies or not.

Can someone help me out in telling that will it produce DTMF frequencies or not?

For convenience I have attached my keypad’s photo:-

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