foxbrain
Full Member level 2
is there a circuit i can add to the mt8870 to connect it to the microcontroller and what it do?
i made a circuit as on mt8870 datasheet a on the dtmf input i connected it to a telephone and on the q1-q4 to leds but when i dial any number on the phone no led turns on !!! so what's the problem?
i made a circuit as on mt8870 datasheet a on the dtmf input i connected it to a telephone and on the q1-q4 to leds but when i dial any number on the phone no led turns on !!! so what's the problem?