Demo 1

Control R G B LED

These slides: online - GitHub src

An LED has direction in life

Anode: + (positive, "Vcc")

Cathode: - (minus, "GND")

RGB LED

  • R G B - three separate LEDs
    • Red
    • Green
    • Blue
  • LED: Light Emitting Diode

RGB LED (common anode)

Lead Label
2 + Anode (Longest)
The leads/pins are ordered.

What does "Common Anode" mean?

The three LEDs all have their anodes connected to the same spot.

Wiring RGB LED

Electrical "Schematic" view of circuit.

Header Pinout - Marked


Online Link

Wiring RGB LED - View

solder-less "Breadboard" view of circuit.

Header Pinout - Marked


Online Link

Wiring RGB LED - Breadboard

solder-less "Breadboard" view of circuit.

Wiring RGB LED - Photo

Web Interface