podstawek

int speakerPin = 26;      // speaker on digital pin 26


float frequencies[] = {146.8, 146.8, 146.8, 174.6, 196, 220, 146.8, 146.8, 246.94, 220, 196, 220, 220, 220, 164.8, 220, 164.8, 174.6, 146.8, 174.6, 220, 164.8, 164.8, 174.6, 220, 261.6, 246.9, 220, 196, 174.6, 174.6, 196, 196, 164.8, 130.8, 440, 440, 493.9, 440, 415.3, 440, 587.3, 493.9, 392, 329.6, 440, 293.6};
float durations[] = {0.3, 0.05, 0.05, 0.2, 0.2, 0.4, 0.2, 0.2, 0.4, 0.2, 0.2, 0.4, 0.4, 0.2, 0.2, 0.2, 0.2, 0.4, 0.2, 0.2, 0.4, 0.2, 0.2, 0.6, 0.2, 0.3, 0.1, 0.2, 0.2, 0.6, 0.2, 0.3, 0.1, 0.2, 0.2, 0.6, 0.3, 0.1, 0.2, 0.2, 0.4, 0.4, 0.2, 0.2, 0.2, 0.2, 0.4};

int musicLength = sizeof(frequencies) / sizeof(frequencies[0]);

float delayInMicroseconds;
int numberOfIterations;

podstawek

int speakerPin = 26;      // speaker on digital pin 26
float frequency = 440;    // in hertz. 440Hz is the note A4
float duration = 2;       // in seconds

// Period is the inverse of frequency, measured in seconds. 
// To obtain microseconds we multiply by 1 million. 
// And to obtain half of period 
// (the time in either "on" or "off" state), we divide by 2.
float delayInMicroseconds = 1/frequency*1000000/2;

podstawek

int speakerPin = 26;      // speaker on digital pin 26

void setup() {
  
  pinMode(speakerPin, OUTPUT);
  
}

void loop() {

podstawek

int speakerPin = 26;      // speaker on digital pin 26

float frequencies[] = {
                        130.8, 164.8, 196, 130.8, 164.8, 196, 130.8, 164.8, 196, 130.8, 164.8, 196, 130.8, 164.8, 196, 130.8, 164.8, 196, 130.8, 164.8, 196, 130.8, 164.8, 196, 130.8, 164.8, 196, 130.8, 164.8, 196,
                        220, 261.6, 329.6, 220, 261.6, 329.6, 220, 261.6, 329.6, 220, 261.6, 329.6, 220, 261.6, 329.6, 220, 261.6, 329.6, 220, 261.6, 329.6, 220, 261.6, 329.6, 220, 261.6, 329.6, 220, 261.6, 329.6,
                        146.8, 174.6, 220, 146.8, 174.6, 220, 146.8, 174.6, 220, 146.8, 174.6, 220, 146.8, 174.6, 220, 146.8, 174.6, 220, 146.8, 174.6, 220, 146.8, 174.6, 220, 146.8, 174.6, 220, 146.8, 174.6, 220,
                        196, 247, 293.7, 196, 247, 293.7, 196, 247, 293.7, 196, 247, 293.7, 196, 247, 293.7, 196, 247, 293.7, 196, 247, 293.7, 196, 247, 293.7, 196, 247, 293.7, 196, 247, 293.7};
float durations[] = {
                        0.06, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06, 0

podstawek

int speakerPin = 26;     // speaker on digital pin 26
int coarseTune, fineTune, duty, coarseDuty, fineDuty;

void setup() {
  pinMode (speakerPin, OUTPUT);
  pinMode (A4, INPUT);   //     coarse potentiometer on analog pin A4
  pinMode (A5, INPUT);   //       fine potentiometer on analog pin A5
  pinMode (A6, INPUT);   // duty cycle potentiometer on analog pin A6
}

podstawek

import serial
import sys
from datetime import datetime, date

ourSerial = serial.Serial()
ourSerial.port = '/dev/ttySC1'
ourSerial.baudrate = 4800
ourSerial.bytesize = serial.EIGHTBITS
ourSerial.parity = serial.PARITY_NONE
ourSerial.stopbits = serial.STOPBITS_ONE

podstawek

import serial
import sys

ourSerial = serial.Serial()
ourSerial.port = '/dev/ttySC1'
ourSerial.baudrate = 4800
ourSerial.bytesize = serial.EIGHTBITS
ourSerial.parity = serial.PARITY_NONE
ourSerial.stopbits = serial.STOPBITS_ONE
ourSerial.xonxoff = False

podstawek

* makes beeps
   
         ORG   $300
         LDA   #$FF
         STA   FREQ
         LDA   #$80
         STA   PLSWIDTH
PLAY     LDA   $C030
         LDY   PLSWIDTH
PULSE    DEY

podstawek

* makes beeps
   
         ORG   $300
         LDA   #$FF
         STA   FREQ
         LDA   #$80
         STA   PLSWIDTH
PLAY     LDA   $C030
         LDY   PLSWIDTH
PULSE    DEY

podstawek

	org 	$8000
start:	ld 	a,%00010000	; load accumulator with any value that sets the 4th bit
	out	(&fe),a		; send that value to port 254, i.e. hexadecimal FE

	end start