add arduino-0018-linux (32 bit)
This commit is contained in:
parent
7fa52a235a
commit
297de2a227
425 changed files with 64818 additions and 0 deletions
|
@ -0,0 +1,43 @@
|
|||
/*
|
||||
Pitch follower
|
||||
|
||||
Plays a pitch that changes based on a changing analog input
|
||||
|
||||
circuit:
|
||||
* 8-ohm speaker on digital pin 8
|
||||
* photoresistor on analog 0 to 5V
|
||||
* 4.7K resistor on analog 0 to ground
|
||||
|
||||
created 21 Jan 2010
|
||||
by Tom Igoe
|
||||
|
||||
http://arduino.cc/en/Tutorial/Tone2
|
||||
|
||||
*/
|
||||
|
||||
|
||||
void setup() {
|
||||
// initialize serial communications (for debugging only):
|
||||
Serial.begin(9600);
|
||||
}
|
||||
|
||||
void loop() {
|
||||
// read the sensor:
|
||||
int sensorReading = analogRead(0);
|
||||
// print the sensor reading so you know its range
|
||||
Serial.println(sensorReading);
|
||||
// map the pitch to the range of the analog input.
|
||||
// change the minimum and maximum input numbers below
|
||||
// depending on the range your sensor's giving:
|
||||
int thisPitch = map(sensorReading, 400, 1000, 100, 1000);
|
||||
|
||||
// play the pitch:
|
||||
tone(8, thisPitch, 10);
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
Reference in a new issue