發光二極管(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.

發光二極管(Bi-LED)

定價 $4.99
單價  每 

LED模塊在兩個方向上工作。當電流以一種方式流過電路模塊時,電路的LED燈將變為藍色;否則,電路板上的LED燈將變為藍色。翻轉它,它會變成紅色!


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