Difference between revisions of "Week 3 Lab"

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(LED Dimming)
(LED Dimming)
Line 9: Line 9:
 
=== LED Dimming ===
 
=== LED Dimming ===
 
*File->Sketchbook->Examples->Analog->Fading
 
*File->Sketchbook->Examples->Analog->Fading
<code>void loop()
+
<code>
{
 
  for(value = 0 ; value <= 255; value+=5) // fade in (from min to max)
 
  {
 
 
     analogWrite(ledpin, value);          // sets the value (range from 0 to 255)  
 
     analogWrite(ledpin, value);          // sets the value (range from 0 to 255)  
    delay(30);                            // waits for 30 milli seconds to see the dimming effect
 
  }
 
  for(value = 255; value >=0; value-=5)  // fade out (from max to min)
 
  {
 
    analogWrite(ledpin, value);
 
    delay(30);
 
  } 
 
}
 
 
</code>
 
</code>
 
*lights, fading
 
*lights, fading

Revision as of 21:24, 12 April 2009

from Electronic Technologies for Art

Analog Input

  • Potentiometer
  • photo-resistor
  • strain gauge

Analog Output

LED Dimming

  • File->Sketchbook->Examples->Analog->Fading

   analogWrite(ledpin, value);           // sets the value (range from 0 to 255) 

  • lights, fading

<youtube v="62gWVWCyw_w" loop="true"/>

Motor Speed Control

  • Basic motor control (DC motors) see week 5


Sound, Tone Generation

  • sounds, tone generation