Created
October 29, 2014 00:14
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Blink led on Tessel device a specific amount of times
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| var tessel = require('tessel'); | |
| function blink(ledNo, noTimes, callback) { | |
| if (noTimes > 0) { | |
| var led = tessel.led[ledNo].output(0); | |
| var lightOnDelay = 500; | |
| var lightOffDelay = 1000; | |
| console.log('blink - turning on led (%d)', noTimes); | |
| led.write(true); | |
| setTimeout(function(){ | |
| console.log('blink - turning off led'); | |
| led.write(false); | |
| setTimeout(blink, lightOffDelay, ledNo, noTimes - 1, callback); | |
| }, lightOnDelay); | |
| } | |
| else { | |
| callback(); | |
| } | |
| } |
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