玩具小龟程序

功能：

1.开始　　

2.发送本机机型号　　

3.测试是否有其它机发码，即解码。　　

4.解码成功，比较机型号，作出相应动作。　　

　　A.相同，边前进边伸缩头

　　B.不相同，缩头后后退，直到没信号，伸头前进

没有其它机信号：正常前进　　

5.延时进入2　　

-Toy turtle program features: 1. Start 2. Send the machine Machine Model 3. Test whether there are other machines made code that decoding. 4. Decoded successfully, more machine model, a corresponding action. A. the same side forward edge of the first B. telescopic not the same faint after the retreat, until no signal, no other machine head out ahead signal: normal forward 5. Latency into 2