实现一个风扇模型，具有加速转，倒转，减速转等功能-The realization of a fan model with accelerated forward, rewind, slow transfer functions

小家电控制线路及程式 (Transformerless无变压器设计), 很安全，用了一年多了！-Lines and small appliance control program (Transformerless no transformer design), very safe, with more than a year!

java实现的fan和huffman压缩解压算法-Implement Fan and huffman algorithm with Java