Introduction to Matlab

Introduction to Matlab: MATLAB is a high-performance language for technical computing. It integrates computation, visualization, and programming in an easy-to-use environment where problems and solutions are expressed in familiar mathematical notation. Typical uses include: Math and computation Algorithm development Modeling, simulation, and prototyping Data analysis, exploration, and visualization Scientific and engineering graphics Application development, including Graphical User Interface building ...

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RFID RC522 Send Data to Raspberry Pi

RFID RC522 Send Data to Raspberry Pi: import MFRC522 import signal import requests import time continue_reading = True MIFAREReader = MFRC522.MFRC522() cardA = [46,165,34,124,112] cardB = [201,428,256,12,435] cardC = [57,45,453,453] def end_read(signal, frame):   global continue_reading   continue_reading = False   print "Ctrl+C captured, ending read."   MIFAREReader.GPIO_CLEEN() signal.signal(signal.SIGINT, end_read) while...

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DHT22 sensor data send to thingspeak cloud using Raspberry Pi

DHT22 sensor data send to thingspeak cloud using Raspberry Pi: import sys import RPi.GPIO as GPIO from time import sleep import Adafruit_DHT import urllib2 myAPI = "Your key Generated on thingspeak" def getSensorData():    RH, T = Adafruit_DHT.read_retry(Adafruit_DHT.DHT22, 2)    return (str(RH), str(T)) def main():    print 'starting...'    baseURL = 'https://api.thingspeak.com/update?api_key=%s' % myAPI  ...

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Motion Detection using Arduino

Motion Detection using Arduino: int ledPin = 13;                //  for the LED int inputPin = 2;               // input pin int pirState = LOW;           int val = 0;                   void setup() {   pinMode(ledPin, OUTPUT);       pinMode(inputPin, INPUT);    ...

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Sound Sensor data plot in graph using Arduino and Raspberry Pi

Sound Sensor data plot in graph using Arduino and Raspberry Pi : Arduino Code: const int analogIn = A0; int analogVal = 0; void setup() {   Serial.begin(19200); } void loop() {   analogVal = analogRead(analogIn);   Serial.println(analogVal);   delay(1000); } Python Script: import serial import matplotlib.pyplot as plt from drawnow import * values = [] plt.ion() cnt=0 serialArduino = serial.Serial('/dev/ttyACM0', 19200)//...

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Interfacing of Sound Sensor with Arduino:

Interfacing of Sound Sensor with Arduino:  const int analogIn = A0; int analogVal = 0; void setup() {   Serial.begin(19200); } void loop() {   analogVal = analogRead(analogIn);   Serial.println(analogVal);   delay(1000); } Circuit Diagram: ...

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Obstacle detector using Ultrasonic sensor and Arduino:

Obstacle detector using Ultrasonic sensor and Arduino:  int Echo1 = A4; //LEFT_SENSOR ECHO int Trig1 = A5; //LEFT_SENSOR TRIG int Echo2 = A2; //MID_SENSOR ECHO int Trig2 = A3; //MID_SENSOR TRIG int Echo3 = A0; //RIGHT_SENSOR ECHO int Trig3 = A1; //RIGHT_SENSOR TRIG int in1 = 8; int in2 = 9; int in3 = 6; int in4 = 7; int ENA = 5; int ENB = 11; int ABS = 200; int Left_Distance = 0,Right_Distance = 0,Middle_Distance = 0 ; void _mForward() { digitalWrite(in1,LOW); digitalWrite(in2,HIGH); digitalWrite(in3,LOW); digitalWrite(in4,HIGH); analogWrite(ENA,ABS);  analogWrite(ENB,ABS); Serial.println("ROBOT_MOVING_FORWARD"); } void...

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Temperature and Humidity data send to google spreadsheet using Arduino with Ethernet shield:

Temperature and Humidity data send to google spreadsheet using Arduino with Ethernet shield: #include <SPI.h> #include <Ethernet.h> byte mac[] = { 0xDA, 0xDA, 0xEA, 0xFA, 0xAE, 0xEA }; //Setting MAC Address char server[] = "api.pushingbox.com"; //pushingbox API server IPAddress ip(192,168,0,56); //Arduino with Ethernet Shield IP address. EthernetClient client; //define 'client' as object String data; //GET query with data float tempt; boolean...

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Interfacing of Temperature Sensor (LM35) with Arduino:

Interfacing of Temperature Sensor (LM35) with Arduino: float temp;       int sensor = 0;     // LM35 middle pin is analog pin 0 void setup() {   Serial.begin(9600); } void loop() {   temp = analogRead(sensor);        //analog read pin read the temp value then store in temp   temp = temp * 0.48828125;         //converting volts to degrees celsius ----- 0.48828125...

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GPS Send Data to LCD using AVR

GPS Send Data to LCD using AVR: #define F_CPU 8000000UL #include <util/delay.h> #define rs 0 #define rw 1 #define en 2 #include <avr/io.h> #include <avr/interrupt.h> #include<string.h> //#include"serial_header.h" //function declaration void recgps(void); void delay(int); void cmden(); void lcdcmd(char); void lcdinit(void); void daten(void); void lcddata(char); void txdata(char); unsigned char rxu0(void); void serial_init(); static...

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GPS Send Location to Lcd using Arduino

GPS Send Location to Lcd using Arduino: // Creating a Simple GPS Receiver #include <TinyGPS.h> #include <LiquidCrystal.h> LiquidCrystal lcd( 8, 9, 4, 5, 6, 7 ); TinyGPS gps; void getgps(TinyGPS &gps); void setup() { Serial.begin(4800); lcd.begin(16, 2); } void getgps(TinyGPS &gps) // The getgps function will display the required data on the LCD { float latitude, longitude; //decode and display position data gps.f_get_position(&latitude,...

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Rain Detected then GSM Module Send Email using Arduino

Rain Detected then GSM Module Send Email using Arduino: #include<SoftwareSerial.h> SoftwareSerial mySerial(9,10); //RX,TX int Analog_Out=A0;            //ANALOG INPUT int Analog_In=0; void setup() {   Serial.begin(9600);   mySerial.begin(9600);   pinMode(Analog_Out,INPUT);    //DECLARE A0 AS INPUT   delay(50); } void loop() {   Analog_In=analogRead(Analog_Out); // SENSOR VALUE  ...

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Rain Detected then GSM Module Send SMS using Arduino

Rain Detected then GSM Module Send SMS using Arduino: #include <SoftwareSerial.h> SoftwareSerial mySerial(9, 10);  //(RX,TX) int d=0; void setup() {   mySerial.begin(9600);     Serial.begin(9600);     pinMode(11,INPUT);            //FOR DIGITAL INPUT   pinMode(A0,INPUT);            //FOR ANALOG INPUT   delay(50); } void loop() {  ...

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Interfacing of GSM with AVR

Interfacing of  GSM with AVR: #include <avr/io.h> #include <util/delay.h> #include <string.h> #define rs 0 #define rw 1 #define en 2 unsigned char data; void lcd_init(); void serial_init(); void serial_send_char(unsigned char x); void serial_send_string(unsigned char *x); char serial_receive(); void lcd_cmd(unsigned char); void lcd_string(unsigned char*); //void receive_sms(); //void response(); /*void receive_sms() { serial_send_string("ATE0\r\n"); ...

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Temperature and Humidity data send to Bluetooth using Smart phone and Arduino

Temperature and Humidity data send to Bluetooth using Smart phone and Arduino: #include <dht.h> dht DHT; #define DHT22_PIN 4 void setup() {     Serial.begin(9600);     Serial.println("DHT value ");     Serial.print("LIBRARY VERSION: ");     Serial.println(DHT_LIB_VERSION);     Serial.println();     Serial.println("Type,\tstatus,\tHumidity (%),\tTemperature (C)"); } void loop() {  ...

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Interfacing of Bluetooth with Arduino:

Interfacing of Bluetooth with Arduino: #include <SoftwareSerial.h>// int led=13; long previousMillis = 0;       long interval = 1000;         int ledState = LOW;           long Counter=0; void setup() {   Serial.begin(9600);   Serial.println("Bluetooth Connected....");   pinMode(led,OUTPUT); } void loop() {   unsigned long currentMillis = millis();  ...

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Interfacing of Fingerprint with Arduino

Interfacing of Fingerprint with Arduino: #include <Adafruit_Fingerprint.h> #include <SoftwareSerial.h> int getFingerprintIDez(); // pin #2 is IN from sensor (GREEN wire) // pin #3 is OUT from arduino  (WHITE wire) SoftwareSerial mySerial(2, 3); Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial); void setup() {   while (!Serial);  // For Yun/Leo/Micro/Zero/...   Serial.begin(9600);   Serial.println("Adafruit...

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How to Enroll Finger in Fingerprint using Arduino:

How to Enroll Finger in Fingerprint using Arduino: #include <Adafruit_Fingerprint.h> #include <SoftwareSerial.h> uint8_t id; uint8_t getFingerprintEnroll(); // Software serial for when you dont have a hardware serial port // pin #2 is IN from sensor (GREEN wire) // pin #3 is OUT from arduino  (WHITE wire) // On Leonardo/Micro/Yun, use pins 8 & 9. On Mega, just grab a hardware serialport SoftwareSerial mySerial(2, 3); Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial); // On Leonardo/Micro or others with...

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Interfacing of Arduino with Touch Sensor and Appliance

Interfacing of Arduino with Touch Sensor and Appliance #define TouchSensor 9 // Pin for touch sensor int bulb = 3; boolean currentState = LOW; boolean lastState = LOW; boolean bulbState = LOW; void setup() {   Serial.begin(9600);   pinMode(bulb, OUTPUT);   pinMode(TouchSensor, INPUT); } void loop() {   currentState = digitalRead(TouchSensor);     if (currentState == HIGH && lastState == LOW){    ...

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RFID interface with Ethernet:

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