Klipper 有几个引人注目的功能： 高精度步进运动。Klipper使用一个应用处理器（例如低成本的树莓派）来计算打印机运动。应用处理器决定何时对每个步进电机发出步进信号，压缩这些事件，并将它们发送到微控制器。微处理器将会把每个事件按请求时间执行。

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Four-legged robots that scramble up stairs, stride over rubble, and stream inspection data — no preorder, no lab coat required.

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Sign up for the daily CJR newsletter. It is now over a decade since the label “pink slime journalism” was first applied to the proliferation of low-cost, low ...