Please any one having a complete schematics of designing a signal generator using microcontroler with key pad and LCD, or any thing like signal generatot using microcontroller, post it here or give me any link regarding this. thanks a lot.
Maybe this can help you:
w*w.myplace.nu/avr/minidds
You need to add some code to control the LCD to display the frequency and type of waveform. Also you need to modify the code to read a keyboard and use the value entered. The program there uses UART to control the DDS generator.