Introduction - If you have any usage issues, please Google them yourself
Suitable for beginners to learn 51 SCM reference code, a total of 7 code.
1. The most simple light LED lights to achieve the effect of water lights
2-7. Turn on LED- LED display time- Polling mechanism to realize key adjustment time- Use interrupt control time
Code I practice simple to step by step increase the function of the process, hoping to help beginners