Difference between revisions of "Week 3 Lab"
From Robert-Depot
(→LED Dimming) |
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| Line 8: | Line 8: | ||
== Analog Output == | == Analog Output == | ||
=== LED Dimming === | === LED Dimming === | ||
| + | *File->Sketchbook->Examples->Analog->Fading | ||
| + | <code> | ||
| + | void loop() | ||
| + | { | ||
| + | for(value = 0 ; value <= 255; value+=5) // fade in (from min to max) | ||
| + | { | ||
| + | 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> | ||
*lights, fading | *lights, fading | ||
<youtube v="62gWVWCyw_w" loop="true"/> | <youtube v="62gWVWCyw_w" loop="true"/> | ||
Revision as of 21:23, 12 April 2009
from Electronic Technologies for Art
Contents
Analog Input
- Potentiometer
- photo-resistor
- strain gauge
Analog Output
LED Dimming
- File->Sketchbook->Examples->Analog->Fading
void loop()
{
for(value = 0 ; value <= 255; value+=5) // fade in (from min to max)
{
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);
}
}
- 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
