摘要:Along with the rapid development of electronic products, there is amount of electronic waste, such as hundreds of millions of mobile phones and junk personal computers, which is not only a waste, but also a tremendous damage to the environment. The article presents a technique of reusing the electronic waste for the smart home monitoring system. It also describes how to set up the prototype of the system. Compared with the present normal household monitoring system, the technique will save lots of expenditure. And it can effectively reduce the cost in protecting the environment. Especially it can promote the smart home into ordinary homes better as well as faster.