code example

in Advanced Subjects

AVR Studio – Blink Led code example (Pro mini)

This is example for Advanced users to use AVR Studio for Programming Arduino Pro mini Board More

in Code Examples

Lessons 8 & 9 – code example

Here is the code of the Piano Program

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// By Roee Bloch

//

// This source is subject to the Roee Bloch License.

// Please see the License.txt file for more information.

// All other rights reserved.

//

// THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY

// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE

// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A

// PARTICULAR PURPOSE.

//

// Roee Bloch

// roeebloch@walla.co.il

// June 2015

#define octave 2 // Octav to hear Lower tones leave value 1

#define Buz1 5 // buzzer pin 1

#define Buz2 7 // buzzer pin 2

#define DO 2500/octave //cycle time of DO in Micro seconds of musical notes

#define RE 2028/octave

#define MI 1805/octave

#define FA 1702/octave

#define SOL 1516/octave

#define LA 1351/octave

#define SI 1204/octave

#define analog_in 0

int my_analog;

int remap;

void setup() {

// put your setup code here, to run once:

pinMode(Buz1, OUTPUT);

pinMode(Buz2, OUTPUT);

Serial.begin(9600);

}

void loop() {

// put your main code here, to run repeatedly:

my_analog = analogRead(analog_in);

Serial.println (my_analog); //for debug only

remap = map (my_analog, 0, 1024, 0, 8); // remapping to switch case

// Serial.println (remap); // also for debug

switch (remap)

{

case 1: Serial.println ("DO");

sound(DO);

break;

case 2: Serial.println ("RE");

sound(RE);

break;

case 3: Serial.println ("MI");

sound(MI);

break;

case 4: Serial.println ("FA");

sound(FA);

break;

case 5: Serial.println ("SOL");

sound(SOL);

break;

case 6: Serial.println ("LA");

sound(LA);

break;

case 7: Serial.println ("SI");

sound(SI);

break;

}

delay(5);

}

void sound(int mydelay) //mydelay is the actual frequency according to musical note

{

for (int q = 1; q < 100; q++)

{

digitalWrite(Buz1, 1);

digitalWrite(Buz2, 0);

delayMicroseconds(mydelay / 2);

digitalWrite(Buz1, 0);

digitalWrite(Buz2, 1);

delayMicroseconds(mydelay / 2);

}

Lessons 8,9 - Code Example

in Code Examples

Lesson 5 – RF UART code Example

RF UART code example

This is the Code of Receiver and Transmitter RF (NANO transmit, UNO Receive)
< !--more-- >

//This is the Code of Receiver and Transmitter RF (NANO transmit, UNO Receive)

//Arduino NANO transmitter side
//----------------------------------------------------------------------//
// Pin 13 has an LED connected on most Arduino boards.
int led = 13;
int num = 0;
String comdata = "";
void setup()
{
  // initialize the digital pin as an output.
  pinMode(led, OUTPUT);
  Serial.begin(9600);
  Serial.println("Hello, I am Arduino");
  Serial.println("HI number 1");
}
//Serial data transceiver
void loop()
{
  delay(1000);
  Serial.print("HI number ");
  Serial.println(num++);

  while (Serial.available() &gt; 0)
  {
    digitalWrite(led, HIGH); // turn the LED on (HIGH is the voltage level)
    comdata += char(Serial.read());
    delay(2);
  }
  if (comdata.length() &gt; 0)
  {
    Serial.println(comdata);
    comdata = "";
  }
  digitalWrite(led, LOW); // turn the LED off by making the voltage LOW

}
_____________________________________________________________________________________________________________
//UNO Receiver Side
//----------------------------------------------------------------------//
// Pin 13 has an LED connected on most Arduino boards.
int led = 13;
#include
String readString;
SoftwareSerial mySerial(10, 11); // RX, TX
void setup()
{
  // initialize the digital pin as an output.
  pinMode(led, OUTPUT);
  Serial.begin(9600); //computer PORT
  mySerial.begin(9600); // RF PORT
  //Serial.println("Hello, I am Arduino");
}
//Serial data transceiver
void loop()
{
  while (mySerial.available()) {
    delay(3); //delay to allow byte to arrive in input buffer
    char c = mySerial.read();
    readString += c;
  }

  if (readString.length() &gt; 0) {
    Serial.println(readString);
    readString = "";
  }

  //digitalWrite(led, LOW); // turn the LED off by making the voltage LOW

}

&lt; / code &gt;

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This is the Code of Receiver and Transmitter RF (NANO transmit, UNO Receive)

< !--more-- >

//This is the Code of Receiver and Transmitter RF (NANO transmit, UNO Receive)

//Arduino NANO transmitter side

//----------------------------------------------------------------------//

// Pin 13 has an LED connected on most Arduino boards.

int led = 13;

int num = 0;

String comdata = "";

void setup()

{

// initialize the digital pin as an output.

pinMode(led, OUTPUT);

Serial.begin(9600);

Serial.println("Hello, I am Arduino");

Serial.println("HI number 1");

}

//Serial data transceiver

void loop()

{

delay(1000);

Serial.print("HI number ");

Serial.println(num++);

while (Serial.available() > 0)

{

digitalWrite(led, HIGH); // turn the LED on (HIGH is the voltage level)

comdata += char(Serial.read());

delay(2);

}

if (comdata.length() > 0)

{

Serial.println(comdata);

comdata = "";

}

digitalWrite(led, LOW); // turn the LED off by making the voltage LOW

}

_____________________________________________________________________________________________________________

//UNO Receiver Side

//----------------------------------------------------------------------//

// Pin 13 has an LED connected on most Arduino boards.

int led = 13;

#include

String readString;

SoftwareSerial mySerial(10, 11); // RX, TX

void setup()

{

// initialize the digital pin as an output.

pinMode(led, OUTPUT);

Serial.begin(9600); //computer PORT

mySerial.begin(9600); // RF PORT

//Serial.println("Hello, I am Arduino");

}

//Serial data transceiver

void loop()

{

while (mySerial.available()) {

delay(3); //delay to allow byte to arrive in input buffer

char c = mySerial.read();

readString += c;

}

if (readString.length() > 0) {

Serial.println(readString);

readString = "";

}

//digitalWrite(led, LOW); // turn the LED off by making the voltage LOW

}

< / code >

Arduino Nano Ebay Link Arduino Nano Arduino Uno Ebay link Arduino Uno Arduino Mega2560 Ebay link Arduino Mega 2560 Arduino Pro-mini ebay link Arduino Pro Mini

in Code Examples

Lesson 2 – code example blinking LED

This is Code to Lesson 2 – Blinking Leds (on board LED) More

in Code Examples

Lesson 4 – Arduino LCD 1602 with buttons code example

This is the code to Lesson 4 – explains how to work with LCD display 1602 (LCD with push buttons) More

in Code Examples

Lesson 7 – Microphone code example

This is the Code to Lesson 7 – that show how to work with Microphone and detect noise, it also explain about Microphone Board behavior and setup More

in Code Examples

Lesson 6 – Ultrasonic code example

Ultrasonic Code Example

/* Ultrasonic example

 By Roee Bloch  
 All right Reserved
 Copyright (c) 2015 All Right Reserved, http://www.electronics-freak.com

 This source is subject to the Roee Bloch License.
 Please see the License.txt file for more information.
 All other rights reserved.

 THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
 KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
 PARTICULAR PURPOSE.
 /*
 * HCSR04Ultrasonic/examples/UltrasonicDemo/UltrasonicDemo.pde
 *
 * SVN Keywords
 * ----------------------------------
 * $Author: cnobile $
 * $Date: 2011-09-17 02:43:12 -0400 (Sat, 17 Sep 2011) $
 * $Revision: 29 $
 * ----------------------------------
 */

#include <Ultrasonic.h>

#define TRIGGER_PIN  12
#define ECHO_PIN     13
#define RED     7
#define GREEN     6
#define BLUE     5

Ultrasonic ultrasonic(TRIGGER_PIN, ECHO_PIN);

void setup()
  {
  pinMode(RED,OUTPUT);
  pinMode(GREEN,OUTPUT);  
  pinMode(BLUE,OUTPUT);
  Serial.begin(9600);
  }

void loop()
  {
  float cmMsec, inMsec;
  long microsec = ultrasonic.timing();

  cmMsec = ultrasonic.convert(microsec, Ultrasonic::CM);
  if (cmMsec<10){
   digitalWrite(RED,HIGH);
   digitalWrite(GREEN,LOW);
   digitalWrite(BLUE,LOW);
  }
    if ((cmMsec<20)&& (cmMsec>=10)){
   digitalWrite(RED,LOW);
   digitalWrite(GREEN,HIGH);
   digitalWrite(BLUE,LOW);
  }
    if (cmMsec>30){
   digitalWrite(RED,LOW);
   digitalWrite(GREEN,LOW);
   digitalWrite(BLUE,HIGH);
  }
  
  inMsec = ultrasonic.convert(microsec, Ultrasonic::IN);
  Serial.print("MS: ");
  Serial.print(microsec);
  Serial.print(", CM: ");
  Serial.print(cmMsec);
  Serial.print(", IN: ");
  Serial.println(inMsec);
  delay(100);
  }

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/* Ultrasonic example

By Roee Bloch

This source is subject to the Roee Bloch License.

Please see the License.txt file for more information.

All other rights reserved.

THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY

KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE

IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A

PARTICULAR PURPOSE.

/*

* HCSR04Ultrasonic/examples/UltrasonicDemo/UltrasonicDemo.pde

*

* SVN Keywords

* ----------------------------------

* $Author: cnobile $

* $Date: 2011-09-17 02:43:12 -0400 (Sat, 17 Sep 2011) $

* $Revision: 29 $

* ----------------------------------

*/

#include <Ultrasonic.h>

#define TRIGGER_PIN 12

#define ECHO_PIN 13

#define RED 7

#define GREEN 6

#define BLUE 5

Ultrasonic ultrasonic(TRIGGER_PIN, ECHO_PIN);

void setup()

{

pinMode(RED,OUTPUT);

pinMode(GREEN,OUTPUT);

pinMode(BLUE,OUTPUT);

Serial.begin(9600);

}

void loop()

{

float cmMsec, inMsec;

long microsec = ultrasonic.timing();

cmMsec = ultrasonic.convert(microsec, Ultrasonic::CM);

if (cmMsec<10){

digitalWrite(RED,HIGH);

digitalWrite(GREEN,LOW);

digitalWrite(BLUE,LOW);

}

if ((cmMsec<20)&& (cmMsec>=10)){

digitalWrite(RED,LOW);

digitalWrite(GREEN,HIGH);

digitalWrite(BLUE,LOW);

}

if (cmMsec>30){

digitalWrite(RED,LOW);

digitalWrite(GREEN,LOW);

digitalWrite(BLUE,HIGH);

}

inMsec = ultrasonic.convert(microsec, Ultrasonic::IN);

Serial.print("MS: ");

Serial.print(microsec);

Serial.print(", CM: ");

Serial.print(cmMsec);

Serial.print(", IN: ");

Serial.println(inMsec);

delay(100);

}

More

in Code Examples

Lesson 3 – Code LED PWM

Lesson 3 – Code LED PWM More

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