Demo: Blink an external LED

Code run restore

X

Build and execute instructions

• Connect an LED and resistor as shown being sure to get the anode/cathode orientation correct.
• Run the example code and observe the blinking.
• Alter the frequency and re-run the example.

See also

Topics

• BeagleBone expansion headers
• Digital I/O
• Timers

Related functions

• require
• pinMode
• digitalWrite

Examples

• Blink an on-board LED

Where to buy

• BreadBoard
• External LED
• Jumper wires
• Resistors