diff options
Diffstat (limited to 'libraries/Esplora/Beginners/EsploraSoundSensor')
| -rw-r--r-- | libraries/Esplora/Beginners/EsploraSoundSensor/EsploraSoundSensor.ino | 41 | 
1 files changed, 41 insertions, 0 deletions
diff --git a/libraries/Esplora/Beginners/EsploraSoundSensor/EsploraSoundSensor.ino b/libraries/Esplora/Beginners/EsploraSoundSensor/EsploraSoundSensor.ino new file mode 100644 index 0000000..3bf454f --- /dev/null +++ b/libraries/Esplora/Beginners/EsploraSoundSensor/EsploraSoundSensor.ino @@ -0,0 +1,41 @@ +/* +  Esplora Sound Sensor +  + This  sketch shows you how to read  the microphone sensor. The microphone +will range from 0 (total silence) to 1023 (really loud).   + When you're using the sensor's reading (for example, to set the brightness + of the LED), you map the sensor's reading to a range between the minimum + and the maximum. +  + Created on 22 Dec 2012 + by Tom Igoe +  + This example is in the public domain. + */ + +#include <Esplora.h> + +void setup() { +  // initialize the serial communication: +  Serial.begin(9600); +} + +void loop() { +  // read the sensor into a variable: +  int loudness = Esplora.readMicrophone(); + +  // map the sound level to a brightness level for the LED: +  int brightness = map(loudness, 0, 1023, 0, 255); +  // write the brightness to the green LED:  +  Esplora.writeGreen(brightness); +   +   +    // print the microphone levels and the LED levels (to see what's going on): +    Serial.print("sound level: "); +    Serial.print(loudness); +    Serial.print(" Green brightness: "); +    Serial.println(brightness); +  // add a delay to keep the LED from flickering: +  delay(10);  +} +  | 
