In SX Microcontrollers, SX/B Compiler and SX-Key Tool, labtronix wrote: Hello all members of this Forum; My name is Filipe and i am New in programming MCU and new in this forum !!! I nee know if any one make teste with the code DTMF Receiver for SX28 in down load section of Parallax? I need any help for make this code: The sx28 receive the Sound of DTMF for A/D pin or receive the ( 4 bits from MT8870 DTMF decoder ) is more dificulte with out MT8870 but less expensive to build !!! Ok the project is: send for ex. 12345# or 12345* DTMF code 12345# put HIGH some PIn of the SX28 ( ex. pin 4 ) 12345* put Low the same pin of SX28 ( pin 4 ) The caracter # and * are the enter key If I sent wrong code, the SX28 put HIGH other Pin ( ex. Pin 5 ) and check one more time DTMF code and if the codes are again wrong put High other Pin ( ex. pin 6 ) I dont know is the original code SX28 receiver and decoder DTMF code with out any other IC DTMF decoder of Chris are OK !!! Regards for all; Filipe ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=79099 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2005 (http://www.dotNetBB.com)