A programmatic generation of DTMF SOUND, the source code
Do you need a easy telephone or radio communication interface ?
The world's largest machine, a dial-up communication for last 50 years has been DTMF code technology
Now you can easily use software generated DTMF communication in your programs almost without external hardware
Get the source code in C language. Original code is done for the Microchip 20MHz processor. It is possible to modify code other cpus
You can then duplicate the program for free from your own your product.
The major international company in Hyvinkää, Finland has done several years.
It is possible to use a subroutine or autonomously sserial or parallel interface
Delivery a source code and a test board.
Testing by gsm rely
Call 358-3-2661885 or email.