Hint: this post is also available in Chinese.
![Hello](https://www.zephray.me/api/media/1508811248772-FIL396.jpg) "你好，世界!" means "Hello, world!" July 27th, 2011, I soldered my first MCS-51 system board, and used it to drive the first LCD I bought, an ST7920 12864. My journey of "Electrical Magic" started.