You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
18 lines
392 B
Arduino
18 lines
392 B
Arduino
5 years ago
|
/*
|
||
|
|
*
|
||
|
|
* Simple (PWM) Oscillator!
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
#define SPEAKER_PIN 11
|
||
|
|
|
||
|
|
void setup() {
|
||
|
|
// set pin 11 as output
|
||
|
|
pinMode(SPEAKER_PIN, OUTPUT);
|
||
|
|
}
|
||
|
|
|
||
|
|
void loop() {
|
||
|
|
// tone needs output pin and frequency. Here the frequency is determined by reading from analog input 2 (0-1023), or the top potentiometer
|
||
|
|
tone(SPEAKER_PIN, analogRead(A2));
|
||
|
|
delay(100); // a delay adds stability to the tone.
|
||
|
|
}
|