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Diffstat (limited to 'libraries/Esplora/examples/EsploraLedShow2/EsploraLedShow2.ino')
| -rw-r--r-- | libraries/Esplora/examples/EsploraLedShow2/EsploraLedShow2.ino | 55 | 
1 files changed, 55 insertions, 0 deletions
| diff --git a/libraries/Esplora/examples/EsploraLedShow2/EsploraLedShow2.ino b/libraries/Esplora/examples/EsploraLedShow2/EsploraLedShow2.ino new file mode 100644 index 0000000..8f9f8a2 --- /dev/null +++ b/libraries/Esplora/examples/EsploraLedShow2/EsploraLedShow2.ino @@ -0,0 +1,55 @@ +/* +  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);  +} | 
