Build a PIC controlled DDS VFO, 0 to 6 MHz

  
Almost any 2x16 character LCD module with Hitachi HD44780 controller chip will work. The LCD pin numbers on the schematic are not valid for all LCD modules. Please check the actual signal names on your particular LCD module. The selected DFCW frequency offset will be added to the output frequency when the DFCW input is grounded. This input has a weak pull-up in the PIC.
Build a PIC controlled DDS VFO, 0 to 6 MHz - schematic




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