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author | Cristian Maglie <c.maglie@bug.st> | 2013-01-27 12:52:06 +0100 |
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committer | Cristian Maglie <c.maglie@bug.st> | 2013-01-27 12:52:06 +0100 |
commit | 76d436f51501bd47ff463b88a196f517191f58ad (patch) | |
tree | 1f22ba2385ad22eca306d67793c0827451f2b50a /libraries/Esplora/Beginners/EsploraSoundSensor/EsploraSoundSensor.ino | |
parent | bb9cc4f70c17eed497ab30d7bfe6eebb35055205 (diff) | |
parent | c6287dd6ac33544179a6544b8f3f55a396ec6608 (diff) |
Merge branch 'ide-1.5.x' into can
Diffstat (limited to 'libraries/Esplora/Beginners/EsploraSoundSensor/EsploraSoundSensor.ino')
-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); +} + |