文章和部落格

The Basics of Stepper Motors

An evaluation of the pros and cons of hybrid stepper motor along with a quick overview of how they work.

如何挑選 LED 用的電阻

挑選正確的電阻可確保 LED 接收正確的電壓和電流。讓我們瞭解如何計算 LED 所需的正確電阻尺寸。