本书在简要介绍时基电路555 ( 556 )工作原理、电路特点的基础上，分二十一大类介绍了Ic555在波形产生、变换、调制、定时、计t、检侧、电源变换、继电保护、保安、游戏机、各种家电、日用电子、医疗、照明、节电节水、公共交通、农刚业应用、除虫害、声光报普、遥控遥侧、通信、工业自动控制、徽机接口技术等多方面的应用技术。全书约800个应用实例，每个图例均配有简要说明和分析。

本书是从事电子技术工程设计人员、家电维修人员、电子爱好者、大中专及职业高中师生的良好工具书。-This book in brief time base circuit 555 (556) works, on the basis of the characteristics of the circuit, sub-categories described Ic555 twenty-one in waveform generation, transformation, modulation, timing, namely, t, inspection side, power transformation, following the electrical protection, security, games, a variety of home appliances, household electronics, medical, lighting, saving water, public transport, agriculture industry, has just applied, in addition to pests, sound and light general newspaper, remote control away from the side, communications, industrial automation , emblem machine interface technology, and many other application technology. Book is about 800 application instances, each equipped with a brief descr iption and analysis of the legend.

　　This book is engaged in electronics engineering staff, maintenance staff, home appliances, electronics enthusiasts, college and vocational school teachers and students a good tool.