友情提示：380元/半年，儿童学编程，就上码丁实验室。
http://www.leiphone.com/news/201409/HO2CW0YKz6GtXdEp.html
http://ju.outofmemory.cn/entry/98399
https://www.sunnyos.com/article-show-55.html
http://my.oschina.net/toil/blog/393460
http://www.eeboard.com/bbs/thread-12533-1-1.html
https://wangheng.org/raspberry-wifi-car-1.html
http://shumeipai.nxez.com/2015/11/08/raspberry-pi-car-diy-tutorials-by-sunny.html
http://blog.csdn.net/fanmengmeng1/article/details/46992169
http://v.ku6.com/show/1O-Mve9oUvtP20HgMMDypQ…html?ptag=vsogou