Introduction - If you have any usage issues, please Google them yourself
Experiment name: SPI driver 74HC595, digital display experiments
Function Description: Using the digital display data from 0 to 9999.
Purpose: familiar with the SPI communication protocol.
Master look-up table.
Understanding of the human eye on the display resolution.
Learn to use SPI SPI device driver 74HC595.
Learn to use the timer timing.
Experiment Description: MCU- M128
Internal 8M crystal
If the LED is not high enough refresh rate, then there will be flickering.