arduino小车
http://blog.sina.com.cn/s/articlelist_1935155723_0_1.html
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http://blog.sina.com.cn/s/articlelist_1581720921_0_1.html
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http://www.geek-workshop.com/portal.php?mod=list&catid=1
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arduino 连接蓝牙线路图：
http://blog.sina.com.cn/s/blog_5e4725590100d9mt.html
