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七彩圣诞树：http://www.diyleyuan.com/JC/S9D.html
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指尖陀螺：http://www.diyleyuan.com/JC/3TY.html
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贴片圣诞树：http://www.diyleyuan.com/JC/J01SD.html
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继电器控制器：http://www.diyleyuan.com/JC/J03JQ.html
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电机调速器：http://www.diyleyuan.com/JC/J02PS.html
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1602时钟：http://www.diyleyuan.com/JC/3B1E.html
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47耳放：http://www.diyleyuan.com/JC/50J.html
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西蒙游戏：http://www.diyleyuan.com/JC/XJM.html
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计算器：http://www.diyleyuan.com/JC/L8Q.html
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单片机心形灯：http://www.diyleyuan.com/JC/J05SD.html
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8路抢答器：http://www.diyleyuan.com/JC/8QD.html
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电烙铁焊接教程：http://www.diyleyuan.com/JC/wha.html
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语音时钟：http://www.diyleyuan.com/JC/HJ1.html
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51时钟：http://www.diyleyuan.com/JC/01.html
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LED手表：http://www.diyleyuan.com/JC/J04SB.html
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LED音乐频谱：http://www.diyleyuan.com/JC/02.html
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4017流水灯：http://www.diyleyuan.com/JC/J07LS.html
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OLED手表：http://www.diyleyuan.com/JC/3078B.html
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2.1声道低音音箱：http://www.diyleyuan.com/JC/j04dy.html