practice1
代码说明:
说明: 工程教育中级练习题1:按一下K1键,LED以10Hz频率闪烁,屏幕上画出红圈,跟着闪,放开后保持该频率闪烁;长按K1键超过3秒,LED以5Hz频率闪烁,屏幕上画出红圈,跟着闪,放开后保持该频率闪烁;按一下K2键,LED熄灭;按一下K2键,LED常亮。(Secondary Exercise Question 1 in Engineering Education: Press the K1 key, the LED flickers at 10Hz frequency, draw a red circle on the screen, follow the flash, and keep the frequency flickering after release; Press the K1 key for more than 3 seconds, the LED flickers at 5Hz frequency, draw a red circle on the screen, follow the flash, and keep the frequency flickering after release; Press the K2 key, the LED goes out; Press the K2 key, the LED always shines.)
下载说明:请别用迅雷下载,失败请重下,重下不扣分!