yahaa
Member level 1
how do i decode the dtmf tones in a cellphone??
i found many circuits on net where one can decode telephone dtmf tones using 8870 ....in using the same ic to decode cellphone dtmf ..does it require any change in the circuit???
circuit link: www.electronicsforu.com/EFYLinux/circuit/jun2003/CI-2-DTMF.pdf
can i use the same circuit???
i found many circuits on net where one can decode telephone dtmf tones using 8870 ....in using the same ic to decode cellphone dtmf ..does it require any change in the circuit???
circuit link: www.electronicsforu.com/EFYLinux/circuit/jun2003/CI-2-DTMF.pdf
can i use the same circuit???