搜索 - 科创

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我在自带PCA的51单片机数据手册里面看到，例程都是调处来几K的频率，可是舵机不是要20ms而已嘛？只要50hz而已。。根本调不出来啊。。。大神快救我，在线等。。给个调出500hz的例子也可以。...

这几天一直在弄。TL494驱动的音乐特斯拉线圈,下面是参数。[hr]电源：两个24V50VA的变压器串联使用35A桥堆整流（大材小用）滤波电容是4个250V470u的电解电容，大概是假货，明显比正常的...

以下物品，可淘宝也可工行转账。为了DIY自己做了几片5556PWM模块，本来想做个几片够用就得了，结果一问做pcb的，打样60片和6片价格差不多，呵呵一冲动弄了60片，剩下的都出掉吧，自己用电脑C...

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