From c01bc2b62f76a5d417e5ed13dcb0c047a4f67224 Mon Sep 17 00:00:00 2001 From: Cristian Maglie Date: Sun, 6 Jan 2013 18:38:03 +0100 Subject: Merged upcoming 1.0.4 and updated revision log --- .../EsploraSoundSensor/EsploraSoundSensor.ino | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 libraries/Esplora/Beginners/EsploraSoundSensor/EsploraSoundSensor.ino (limited to 'libraries/Esplora/Beginners/EsploraSoundSensor') 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 + +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); +} + -- cgit v1.2.3-18-g5258