you have not connected | Microcontroller › AVR › coding query of atmega 16 › you have not connected April 28, 2014 at 5:47 pm #11653 Ashutosh BhattParticipant you have not connected anything to 15 pin. connect one LED with current limitiming resistor of 300E if you are getting corret DTMF code detected, the LED will blink.
