#define BAUD_RATE 38400 #define SPEAKER 9 #define SCALE_FACTOR 4 void setup() { Serial.begin( BAUD_RATE ); pinMode( SPEAKER, OUTPUT ); } void loop() { if( Serial.available() > 1 ) analogWrite( SPEAKER, ( Serial.read() / SCALE_FACTOR ) ); }
#define BAUD_RATE 38400 #define SPEAKER 9 #define SCALE_FACTOR 4 void setup() { Serial.begin( BAUD_RATE ); pinMode( SPEAKER, OUTPUT ); } void loop() { if( Serial.available() > 1 ) analogWrite( SPEAKER, ( Serial.read() / SCALE_FACTOR ) ); }