Introduction - If you have any usage issues, please Google them yourself
(1), respectively, in C and assembly language programming to complete the functional design of the hardware interface
(2), the hardware circuit based on the 80x86 microprocessor interface circuit
(3), the program function requirements: the keypad is given, the digital tube (screen) display, and generate the corresponding signal
Waveform (D/A) output (signal waveforms including sine, triangle, square wave, sawtooth wave), the output signal wave
Shaped amplitude, frequency is adjustable (Note: the number of keys should be minimal).