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L6: RGB LEDs - Physical Computing
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Chapter 1
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analog - RGB LED common cathode with 3.3V GPIO +single transistor - Electrical Engineering Stack Exchange
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10pcs 5mm Rgb Led Common Cathode / Common Anode Tri-color Emitting Diodes F5 Rgb Diffused / Transparent Highlight For Arduino - Diodes - AliExpress
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1000 Pcs Led 5mm Rgb Diffused Common Anode Cathode Red Green Blue 4pins Tri Color Emitting Diodes F5mm Rgb Transparents Led - Diodes - AliExpress
Amazon.com: uxcell Common Cathode 10 Pin 1 Bit 7 Segment 1.1 x 0.79 x 0.35 Inch 0.55" Red LED Display Digital Tube 10pcs : Industrial & Scientific
