3D印表機 DIY 建構筆記: 調整4988步進馬達驅動板電流上限

舉例說明 如果你買到的步進馬達，額訂電流是1.5安培，那4988輸出電流上限會是 1.5/0.7 = 2.14 安培。这里反掉了吧。。应该是1.5*0.7=1.05 安培 http://reprap.org/wiki/Sanguinololu上原文有写：A good starting point for the current is 0.7 times its rated current.

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