Light Emitting Diodes from Any Circuit’s store on ebay 200x Red LED 5×2.5mm Diffused, Red BR5379K DE2584 (310725335279) $3.96 These tombstone shaped LEDs have the positive lead as short and the negative lead as long. This is reversed from the standard markings and therefore makes this product difficult to teach with. This LED can also be […]Read more ›
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When working with multiple LEDs for the same project take a moment to determine how to indicate the polarity of the LED. Before I begin a project I use paint, nail polish, beads, or bend the LEDs positive and negative leads into specific shapes. This allows me to quickly and accurately add LEDs to the […]Read more ›