can any one tell how to send the DTMF signal in RF/Fm . i need simple rf/fm circuit widely available and in which frequency i have to transmit since my project is to send the DTMF from send and receive in my small robot so that i can control the robot using pc parallel port
can any one tell how to send the DTMF signal in RF/Fm . i need simple rf/fm circuit widely available and in which frequency i have to transmit since my project is to send the DTMF from send and receive in my small robot so that i can control the robot using pc parallel port
Perhaps you could go into a little more detail about what you're trying to do and what your design constraints are? There are about 100 ways to get that functionality, and the best one really depends on your application.