搜索 - 科创

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很久以前把大M的雕刻机给整来了，由于没有台式机所以到现在都没有操作今天在淘宝上看到有USB接口的控制板卖，配软件，看视频哥们用的貌似也是win7，所以有买下的打算...第一个是大海的板子，但感觉样子不...

搭了个调制电源的音乐电弧，电路用的这个。。 http://kechuang.org/read-kc-tid-35580.html 调制部分用的万能250.。功率部分是用460搭的ZVS。。摊了一地...

就是手里一遥控器,遥控小电珠的亮和熄灭.需要结构简单,省钱.遥控距离远点好,最少100米. 简单的：超外差式。发射机只用两个三级管，接受机四个三级管有空画个图吧（发射，接收）。还有谁懂的请画个吧。 ...

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