Introduction - If you have any usage issues, please Google them yourself
CPU watchdog experiment
■ LED Marquee experiment
■ CPU Timer timer experiment
■ Real-time clock experiment
■ AD conversion experiments
■ ADDR into GPIO test
■ Buzzer test
■ GPIO test
■ digital display test
■ Expansion SDRAM read and write test
■ SPI EEPROM read and write test
■ SPI since the start of the test
■ Fast Fourier Transform (FFT) Experiment
■ FIR filter test
■ IIR filter experiment
■ an adaptive filter (FIRLMS) Experiment
■ keyboard scan experiment
■ External interrupt input experiment
■ AIC23 alarm sound experiment
■ 1602 display experiment