Biomedical and Electronics Engineering Projects

In this tutorial we will know about the IR sensor and how can set values of remote controls buttons. Through the values of these buttons we can control any device or circuit remotely. These values will show at serial monitor of your computer screen. This tutorial will done and perform by arduino. Value will in HEXA and DECIMAL as you set in programming HEX, DEC whatever you set. The following components will required.

· Arduino mega 2560.

· IR SENSOR (RECeiver).

· Bread bored.

· Jumper Wire.

· Any remote (TV, AC, Monitor, MP3 Player)

below are the code for Checking & Obtaining the value of your any REMOTE CONTROL and you upload in arduino after pressing button you will value in HEX.

#include <IRremote.h>

int RECV_PIN = 11;

IRrecv irrecv(RECV_PIN);

decode_results results;

void setup()

{

Serial.begin(9600);

irrecv.enableIRIn(); // Start the receiver

}

void loop() {

if (irrecv.decode(&results)) {

Serial.println(results.value, HEX);

irrecv.resume(); // Receive the next value

}

I have done my final year grand project with arduino . My project on real-time fluid controling and measuring devices. This was so typicall and hard but finaly i have done. Below I uploaded all details about my projects you can try it. ino code is also avail there flowgauge

here is full code that

/**

* Water Flow Gauge

* Uses a hall-effect flow sensor to measure the rate of water flow and

* output it via the serial connection once per second. The hall-effect

* sensor connects to pin 2 and uses interrupt 0, and an LED on pin 13

* pulses with each interrupt. Two volume counters and current flow rate

* are also displayed on a 2-line by 16-character LCD module, and the

* accumulated totals are stored in non-volatile memory to allow them to

* continue incrementing after the device is reset or is power-cycled.

* Two counter-reset buttons are provided to reset the two accumulating

* counters. This allows one counter to be left accumulating indefinitely

* as a "total" flow volume, while the other can be reset regularly to

* provide a counter for specific events such as having a shower, running

* an irrigation system, or filling a washing machine.

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version. http://www.gnu.org/licenses/

* www.practicalarduino.com/projects/water-flow-gauge

123456789abcdef

1239.4L 8073.4L

#include <LiquidCrystal.h>

// initialize the library with the numbers of the interface pins

LiquidCrystal lcd(9, 8, 7, 6, 5, 4);

byte sensorInterrupt = 0; // 0 = pin 2; 1 = pin 3

byte sensorPin = 2;

// The hall-effect flow sensor outputs approximately 4.5 pulses per second per

// litre/minute of flow.

//float calibrationFactor = 4.5;

volatile byte pulseCount;

float flowRate;

unsigned int flowMilliLitres;

unsigned long totalMilliLitresA;

unsigned long Litres;

unsigned long oldTime;

void setup()

{

lcd.begin(16, 2);

lcd.setCursor(0, 0);

lcd.print(" ");

lcd.setCursor(0, 1);

lcd.print(" ");

// Initialize a serial connection for reporting values to the host

Serial.begin(38400);

pulseCount = 0;

flowRate = 0.0;

flowMilliLitres = 0;

totalMilliLitresA = 0;

Litres = 0.0;

oldTime = 0;

// The Hall-effect sensor is connected to pin 2 which uses interrupt 0.

// Configured to trigger on a FALLING state change (transition from HIGH

// state to LOW state)

attachInterrupt(sensorInterrupt,pulseCounter, FALLING);

}

/**

* Main program loop

void loop()

{

if((millis() - oldTime) > 1000)

{

detachInterrupt(sensorInterrupt);

flowRate = ((1000.0 / (millis() - oldTime)) * pulseCount) / 4.5;

oldTime = millis();

flowMilliLitres = (flowRate / 60) * 1000;

totalMilliLitresA += flowMilliLitres;

Litres += flowMilliLitres;

Serial.print(pulseCount, DEC);

Serial.print(" ");

lcd.setCursor(14,1);

lcd.print(pulseCount);

unsigned int frac;

Serial.print(int(flowRate)); // Print the integer part of the variable

Serial.print("."); // Print the decimal point

// Determine the fractional part. The 10 multiplier gives us 1 decimal place.

frac = (flowRate - int(flowRate)) * 10;

Serial.print(frac, DEC) ; // Print the fractional part of the variable

// Print the number of litres flowed in this second

Serial.print(" "); // Output separator

Serial.print(flowMilliLitres);

// Print the cumulative total of litres flowed since starting

Serial.print(" "); // Output separator

Serial.print(totalMilliLitresA);

Serial.print(" "); // Output separator

Serial.println(Litres);

lcd.setCursor(0, 0);

lcd.print(" ");

lcd.setCursor(0, 0);

lcd.print("Flow:");

if(int(flowRate) < 10)

{

lcd.print(" ");

}

lcd.print((int)flowRate); // Print the integer part of the variable

lcd.print('.'); // Print the decimal point

lcd.print(frac, DEC) ; // Print the fractional part of the variable

lcd.print(" L/m");

//lcd.print("/min");

lcd.setCursor(0, 1);

lcd.print(int(totalMilliLitresA));

lcd.print("mL");

lcd.setCursor(8, 1);

lcd.print(Litres / 1000.0);

//lcd.print('.'); // Print the decimal point

//lcd.print(frac, DEC) ; // Print the fractional part of the variable

lcd.print("L");

// Reset the pulse counter so we can start incrementing again

pulseCount = 0;

// Enable the interrupt again now that we've finished sending output

attachInterrupt(sensorInterrupt, pulseCounter, FALLING);

}

/**

* Invoked by interrupt0 once per rotation of the hall-effect sensor. Interrupt

* handlers should be kept as small as possible so they return quickly.

void pulseCounter()

{

// Increment the pulse counter

pulseCount++;

}

Biomedical and Electronics Engineering Projects

Checking & Obtaining the value of your any REMOTE CONTROL

REAL TiME FLUID MEASURING & CONTROLLING DEVICE

Contact with us