AVR 单片机 1602模块，本人实物测试通过，绝对好用，易于移植，吐血奉献-AVR single-chip module 1602, I passed the physical test, the absolute ease of use, easy to transplant, blood sacrifice

以SHX-ARM9A型学习开发板为实物设计基础，所有的应用设计都来自实践，这样也是的本书更加翔实，具有非常可靠的实用性。(SHX-ARM9A based learning development board is the basis of physical design, all application design is from practice, so this book is more detailed and reliable.)