发光二极管(Bi-LED)
The top view of a Circuit Scribe red and blue LED module for conductive ink drawings on a white background.
The bottom view of a Circuit Scribe red and blue LED module for conductive ink drawings on a white background.

发光二极管(Bi-LED)

常规价格 $4.99
单价  单价 

LED模块在两个方向上工作。当电流以一种方式流过电路模块时,电路的LED灯将呈蓝色;而当电路板上的LED呈蓝色时,电路的LED灯将变为蓝色。翻转它,它会变成红色!


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