Light Emitting Diode (LED) - Last Minute Engineers
Diffused RGB (tri-color) LED [Common Anode] : ID 159 : $2.00 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: EDGELEC 100pcs 5mm RGB Tri-Color (Red Green Blue Multicolor) 4Pin LED Diodes Common Anode Diffused Round Lens 29mm Long Lead +300pcs Resistors (for DC 6-12V) Included,Light Emitting Diodes : Industrial &
File:+- of LED 2.svg - Wikimedia Commons
L6: RGB LEDs - Physical Computing
30pcs Led 5mm Red & Green Common Cathode & Anode High Diffused Round Bi-color Light-emitting Diode - Diodes - AliExpress