基于单片机的智能黑板参考文献，利用先进的单片机技术实现现代黑板的智能化 自动化，通过引入人类的先进智慧达到助人为乐的效果-Microcontroller-based intelligent blackboard references, the use of advanced microcontroller technology modern blackboard intelligent automation, advanced through the introduction of human wisdom to achieve the effect of helping others