Arduino Projects
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Time and Gas Sensor with Display
#include <TM1637.h>
#include <Wire.h>
#include <DS3231.h>
#include <config.h>
#define CLK 2 //Arduino pins which are connected to Display
#define DIO 3
const byte gas_sensor = 0;
int gas_level;
int redLed = 12;
int buzzer = 10;
int sensorThres = 400; // Your threshold value
int i = 0;
TM1637 display(CLK,DIO); //To work with the chip clock and indicator we use the library
DS3231 rtc(SDA, SCL); // Init the DS3231 using the hardware interface
Time t; // Init a Time-data structure
void beeptone()
{
for(i = 0; i < 255; i = i + 2)
{
analogWrite(buzzer, i);
delay(10);
}
for(i = 255; i > 1; i = i - 2)
{
analogWrite(buzzer, i);
delay(5);
}
for(i = 1; i <= 10; i++)
{
analogWrite(buzzer, 200);
delay(100);
analogWrite(buzzer, 25);
delay(100);
}
}
void setup()
{
// Serial.begin(9600); // Setup Serial connection
display.set(); //Enable and configure the indicator
display.init();
rtc.begin(); // Initialize the rtc object
// The following lines can be uncommented to set the date and time
//rtc.setDOW(WEDNESDAY); // Set Day-of-Week to SUNDAY
//rtc.setTime(12, 0, 0); // Set the time to 12:00:00 (24hr format)
//rtc.setDate(1, 1, 2014); // Set the date to January 1st, 2014
}
void loop()
{
int8_t timeDisp[4]; //The values to be displayed on each of 4 bits
t = rtc.getTime(); //Get data from the DS3231
timeDisp[0] = t.hour / 10; //We receive dozens of hours using integer division
timeDisp[1] = t.hour % 10; //Unit obtain hours using modulo
timeDisp[2] = t.min / 10; //We do the same with minutes
timeDisp[3] = t.min % 10;
display.point(POINT_ON); //colon ON
display.display(timeDisp); //output it to the screen
delay (2000);
gas_level= analogRead(gas_sensor); //Gas Sensor get data
display.point(POINT_OFF);
display.DigitDisplayWrite(CLK,DIO,gas_level);
// Serial.println(gas_level);
if (gas_level > sensorThres)
{
digitalWrite(redLed, HIGH);
beeptone();
}
else
{
digitalWrite(redLed, LOW);
noTone(buzzer);
}
delay (2000);
}
Versatile Kitchen Timer
//This code is written by Amandeep Singh
const int outpin = 9; // Buzzer Pin
int pin1 = 2; //Switch Pins
int pin2 = 3; //Switch Pins
int pin3 = 4; //Switch Pins
int pin4 = 5; //Switch Pins
int button = 0; //initial button state
void beeptone()
{
tone(outpin, 500, 500);
delay(100);
tone(outpin, 1000, 500);
delay(100);
tone(outpin, 1500, 500);
delay(100);
tone(outpin, 2000, 500);
delay(100);
}
void setup()
{
pinMode(pin1, INPUT_PULLUP);
pinMode(pin2, INPUT_PULLUP);
pinMode(pin3, INPUT_PULLUP);
pinMode(pin4, INPUT_PULLUP);
}
void loop()
{
button = digitalRead(pin1);
if (button == LOW)
{
delay(5*60*1000); // 5 Minute timer
for (int i=0; i<= 50; i++){
beeptone();
}
}
button = digitalRead(pin2);
if (button == LOW)
{
delay(10*60*1000); // 10 Minute timer
for (int i=0; i<= 50; i++){
beeptone();
}
}
button = digitalRead(pin3);
if (button == LOW)
{
delay(30*60*1000); // 30 Minute timer
for (int i=0; i<= 50; i++){
beeptone();
}
}
button = digitalRead(pin4);
if (button == LOW)
{
delay(60*60*1000); // 1 Hour timer
for (int i=0; i<= 50; i++){
beeptone();
}
}
}
Game of Thrones
Source: [instructables.com]
#define NOTE_B0 31
#define NOTE_C1 33
#define NOTE_CS1 35
#define NOTE_D1 37
#define NOTE_DS1 39
#define NOTE_E1 41
#define NOTE_F1 44
#define NOTE_FS1 46
#define NOTE_G1 49
#define NOTE_GS1 52
#define NOTE_A1 55
#define NOTE_AS1 58
#define NOTE_B1 62
#define NOTE_C2 65
#define NOTE_CS2 69
#define NOTE_D2 73
#define NOTE_DS2 78
#define NOTE_E2 82
#define NOTE_F2 87
#define NOTE_FS2 93
#define NOTE_G2 98
#define NOTE_GS2 104
#define NOTE_A2 110
#define NOTE_AS2 117
#define NOTE_B2 123
#define NOTE_C3 131
#define NOTE_CS3 139
#define NOTE_D3 147
#define NOTE_DS3 156
#define NOTE_E3 165
#define NOTE_F3 175
#define NOTE_FS3 185
#define NOTE_G3 196
#define NOTE_GS3 208
#define NOTE_A3 220
#define NOTE_AS3 233
#define NOTE_B3 247
#define NOTE_C4 262
#define NOTE_CS4 277
#define NOTE_D4 294
#define NOTE_DS4 311
#define NOTE_E4 330
#define NOTE_F4 349
#define NOTE_FS4 370
#define NOTE_G4 392
#define NOTE_GS4 415
#define NOTE_A4 440
#define NOTE_AS4 466
#define NOTE_B4 494
#define NOTE_C5 523
#define NOTE_CS5 554
#define NOTE_D5 587
#define NOTE_DS5 622
#define NOTE_E5 659
#define NOTE_F5 698
#define NOTE_FS5 740
#define NOTE_G5 784
#define NOTE_GS5 831
#define NOTE_A5 880
#define NOTE_AS5 932
#define NOTE_B5 988
#define NOTE_C6 1047
#define NOTE_CS6 1109
#define NOTE_D6 1175
#define NOTE_DS6 1245
#define NOTE_E6 1319
#define NOTE_F6 1397
#define NOTE_FS6 1480
#define NOTE_G6 1568
#define NOTE_GS6 1661
#define NOTE_A6 1760
#define NOTE_AS6 1865
#define NOTE_B6 1976
#define NOTE_C7 2093
#define NOTE_CS7 2217
#define NOTE_D7 2349
#define NOTE_DS7 2489
#define NOTE_E7 2637
#define NOTE_F7 2794
#define NOTE_FS7 2960
#define NOTE_G7 3136
#define NOTE_GS7 3322
#define NOTE_A7 3520
#define NOTE_AS7 3729
#define NOTE_B7 3951
#define NOTE_C8 4186
#define NOTE_CS8 4435
#define NOTE_D8 4699
#define NOTE_DS8 4978
int sensorPin=6;
int speakerPin=2;
void GameOfThrones();
void setup()
{
pinMode(speakerPin,OUTPUT);
pinMode(sensorPin,INPUT);
}
void loop()
{ //play when entering or leaving you thrones, chair etc.
//im using negative logic infrared sensor(if positive logic, use HIGH insted of LOW)
if(digitalRead(sensorPin)==LOW)
{
delay(50);
if(digitalRead(sensorPin)==LOW)
{
GameOfThrones();
}
}
}
void GameOfThrones()
{
for(int i=0; i<4; i++)
{
tone(speakerPin, NOTE_G4);
delay(500);
noTone(speakerPin);
tone(speakerPin, NOTE_C4);
delay(500);
noTone(speakerPin);
tone(speakerPin, NOTE_DS4);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_F4);
delay(250);
noTone(speakerPin);
}
for(int i=0; i<4; i++)
{
tone(speakerPin, NOTE_G4);
delay(500);
noTone(speakerPin);
tone(speakerPin, NOTE_C4);
delay(500);
noTone(speakerPin);
tone(speakerPin, NOTE_E4);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_F4);
delay(250);
noTone(speakerPin);
}
tone(speakerPin, NOTE_G4);
delay(500);
noTone(speakerPin);
tone(speakerPin, NOTE_C4);
delay(500);
tone(speakerPin, NOTE_DS4);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_F4);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_D4);
delay(500);
noTone(speakerPin);
for(int i=0; i<3; i++)
{
tone(speakerPin, NOTE_G3);
delay(500);
noTone(speakerPin);
tone(speakerPin, NOTE_AS3);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_C4);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_D4);
delay(500);
noTone(speakerPin);
}//
tone(speakerPin, NOTE_G3);
delay(500);
noTone(speakerPin);
tone(speakerPin, NOTE_AS3);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_C4);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_D4);
delay(1000);
noTone(speakerPin);
tone(speakerPin, NOTE_F4);
delay(1000);
noTone(speakerPin);
tone(speakerPin, NOTE_AS3);
delay(1000);
noTone(speakerPin);
tone(speakerPin, NOTE_DS4);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_D4);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_F4);
delay(1000);
noTone(speakerPin);
tone(speakerPin, NOTE_AS3);
delay(1000);
noTone(speakerPin);
tone(speakerPin, NOTE_DS4);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_D4);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_C4);
delay(500);
noTone(speakerPin);
for(int i=0; i<3; i++)
{
tone(speakerPin, NOTE_GS3);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_AS3);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_C4);
delay(500);
noTone(speakerPin);
tone(speakerPin, NOTE_F3);
delay(500);
noTone(speakerPin);
}
tone(speakerPin, NOTE_G4);
delay(1000);
noTone(speakerPin);
tone(speakerPin, NOTE_C4);
delay(1000);
noTone(speakerPin);
tone(speakerPin, NOTE_DS4);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_F4);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_G4);
delay(1000);
noTone(speakerPin);
tone(speakerPin, NOTE_C4);
delay(1000);
noTone(speakerPin);
tone(speakerPin, NOTE_DS4);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_F4);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_D4);
delay(500);
noTone(speakerPin);
for(int i=0; i<4; i++)
{
tone(speakerPin, NOTE_G3);
delay(500);
noTone(speakerPin);
tone(speakerPin, NOTE_AS3);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_C4);
delay(250);
noTone(speakerPin);
tone(speakerPin, NOTE_D4);
delay(500);
noTone(speakerPin);
}
}
Led Cube 3x3x3
http://circuitdigest.com/microcontroller-projects/making-3X3X3-led-cube-with-arduino
Bluetooth Controlled RGB LED Strip
Source: [arduino.cc], [play.google.com]
IR Controlled RGB LED Strip
Source: [arduino-cool.blogspot.in]
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