This article introduces the structures, characters, electrocircuit and color light changing-orientation work principles of author's self-making light demonstrator of DC electromotor principles.

介绍了作者自制的演示直流电动机原理的灯光演示仪的结构、特点、电路原理和彩灯换向工作原理。

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This article introduces the structures, characters, electrocircuit and color light changing-orientation work principles of author's self-making light demonstrator of DC electromotor principles.

介绍了作者自制的演示直流电动机原理的灯光演示仪的结构、特点、电路原理和彩灯换向工作原理。

youdao