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-/*
- Esplora Led/Microphone
-
- This simple sketch reads the microphone, light sensor, and slider.
- Then it uses those readings to set the brightness of red, green and blue
- channels of the RGB LED. The red channel will change with the loudness
- "heared" by the microphone, the green channel changes as the
- amount of light in the room and the blue channel will change
- with the position of the slider.
-
- Created on 22 november 2012
- By Enrico Gueli <enrico.gueli@gmail.com>
- Modified 24 Nov 2012
- by Tom Igoe
-*/
-
-#include <Esplora.h>
-
-void setup() {
- // initialize the serial communication:
- Serial.begin(9600);
-}
-
-int lowLight = 400; // the light sensor reading when it's covered
-int highLight = 1023; // the maximum light sensor reading
-int minGreen = 0; // minimum brightness of the green LED
-int maxGreen = 100; // maximum brightness of the green LED
-
-void loop() {
- // read the sensors into variables:
- int mic = Esplora.readMicrophone();
- int light = Esplora.readLightSensor();
- int slider = Esplora.readSlider();
-
- // convert the sensor readings to light levels:
- byte red = constrain(mic, 0, 255);
- byte green = constrain(
- map(light, lowLight, highLight, minGreen, maxGreen),
- 0, 255);
- byte blue = slider/4;
-
- // print the light levels (to see what's going on):
- Serial.print(red);
- Serial.print(' ');
- Serial.print(green);
- Serial.print(' ');
- Serial.println(blue);
-
- // write the light levels to the LED.
- // note that the green value is always 0:
- Esplora.writeRGB(red, green, blue);
-
- // add a delay to keep the LED from flickering:
- delay(10);
-}