Beagle Board - beagleboard.org

Demo: Blink an external LED

Code

var b = require('bonescript');
var led = "P8_13";
var state = 0;

b.pinMode(led, 'out');
toggleLED = function() {
    state = state ? 0 : 1;
    b.digitalWrite(led, state);
};

timer = setInterval(toggleLED, 100);

stopTimer = function() {
    clearInterval(timer);
};

setTimeout(stopTimer, 30000);

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

Related functions

Examples

Where to buy

See it in action


Last updated by jessica.lynne.callaway on Thu Dec 19 2013 21:56:34 GMT-0000 (UTC).
1733