目 录1 引言...................................................................................................................................................................................42 方案设计...........................................................................................................................................................................52.1 系统整体设计............................................................................................................................................................52.2 方案论证....................................................................................................................................................................52.2.1 温度传感器的选择.............................................................................................................................................62.2.2 红外探测的选择.................................................................................................................................................62.2.3 控制核心的选择.................................................................................................................................................62.2.4 显示器件的选择.................................................................................................................................................72.2.5 调速方式的选择.................................................................................................................................................72.2.6 驱动方式选择.....................................................................................................................................................83 硬件设计...........................................................................................................................................................................83.1 系统各器件简介....................................................................
