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 […]

  From SuperBright 420nm 1000mcd 15 degree view angle thru hole clear lens

  LED shipment from electron.com   Even with overnight shipping from Prague these are least expensive LEDs with consistent quality control.

  left to right: 3mm Flat Top UV 5mm Pink White Quadrate 3mm Pink 1.8 mm Green    

  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 […]

My special supply is one spool less.

1386 beautiful light emitting diodes! wrapped in luscious pink bubble wrap.  As you may remember from my 8 February 2013 post I love pink bubble wrap so much a friend gave me a bag full! best gift ever ever!