主要是用洞洞板搭建晓得实验平台测试51的下载程序功能（原理图、接线图链接）
http://wenku.baidu.com/link?url=pzyO8rakY4dq9e6B7I5PAgdsWqwuEVA8Tw7XLs1-F33NBdtwIF_Mt6pomLpNdASJaeN6S7k0KX_Gjh-v-9ZRWimIWxdwX6vJOhk-1tiXX8y
2015/8/20 15:44:36
http://wenku.baidu.com/link?url=K9bxoTGphN-IZ83oF6XkUZiQ8AzJF0gLQ5eMCwO4J1zyTS8twh4JMGSeHSqdC_stp5dbW0XKWxHcpr1MBLaOezlJxdbSjc_6Vu-yLBRLLl_