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Analog to digital converter (ADC)

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vijay.parmar1992

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I want to convert simple ringtone into digital data and want to store into controller when next time this ringtone is play stored data i want to compare with again digital data of this ringtone.....i mean digital data is stored previously & when ringtone is play it convert into digital & compare with stored data...1. which controller is best???
 

u can use MT8870D Integrated DTMF Receiver
it is very easy to make that project with that ic and it is cheap

Regards,
Hz
 

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