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.
![]()
... Read Compelte post
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
HazelKt
Thu May 30 2024, 02:03 pm
Bertakiacatt
Thu May 30 2024, 09:33 am
Edwardcleri
Wed May 29 2024, 03:33 pm
Anthonygar
Wed May 29 2024, 03:19 pm
Brandonvab
Wed May 29 2024, 05:35 am
SeymourAdard
Tue May 28 2024, 01:54 pm
DavidAnike
Tue May 28 2024, 08:55 am
BlaineTew
Tue May 28 2024, 06:41 am