Dtmf Items tagged with Dtmf
interface handphone to at89c51/52
take a look at this schematic, I used this to connect a mobile headset's speaker o/p to the controller.
adjust POT to get a nominal current value.
I used this configuration for DTMF reception. I dont know for what purpose you need it.
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adjust POT to get a nominal current value.
I used this configuration for DTMF reception. I dont know for what purpose you need it.
Other Tags: mobile headset nominal current dtmf current value i dont know
Posted by ajay_bhargav on Fri Apr 27 2007, 03:08 am
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