单片机采用stc89c52，点阵是用两块32*16点阵模块拼接而成可实现多字连写以及可选择四种方式显示写出的字，笔画擦除、反显以及拖动功能。-SCM stc89c52, dot with two 32* 16 dot matrix module splicing can achieve multi-word ligatures and four display written word, strokes erased, and drag the highlighted function.