MindstormFan

//It is a left side wall follower.

#include <AFMotor.h>
#include <SR04.h>

AF_DCMotor motor3(3, MOTOR34_64KHZ); // Define motor #3, 64KHz pwm
AF_DCMotor motor4(4, MOTOR34_64KHZ); // Define motor #4, 64KHz pwm

int WF_LEFT_US_SENSOR_TRIG = 18;
int WF_LEFT_US_SENSOR_ECHO = 17;

MindstormFan

byte seven_seg_digits[10] = { B11111100,  // = 0
                              B01100000,  // = 1
                              B11011010,  // = 2
                              B11110010,  // = 3
                              B01100110,  // = 4
                              B10110110,  // = 5
                              B10111110,  // = 6
                              B11100000,  // = 7
                              B11111110,  // = 8
                              B11100110   // = 9

MindstormFan

// include the library code:
#include "pitches.h"

//------------------------------------------
int adc_id = 6;
int buzzer = 13;//the pin of the passive buzzer
int melody[] = {NOTE_B0, NOTE_DS8};
int duration = 1500;  // 1500 miliseconds

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

MindstormFan

#include <SimpleDHT.h>
#include <LiquidCrystal.h>
#include "pitches.h"

// for DHT11, 
//      VCC: 5V or 3V
//      GND: GND
//      DATA: 2

int pinDHT11 = 2;

MindstormFan

#include <AFMotor.h>


AF_DCMotor motor3(3, MOTOR34_64KHZ); // Define motor #3, 64KHz pwm
AF_DCMotor motor4(4, MOTOR34_64KHZ); // Define motor #4, 64KHz pwm

// Arduino pin numbers
const int X_pin = 0; // analog pin connected to X output
const int Y_pin = 1; // analog pin connected to Y output
const int SW_pin = 2; // digital pin connected to switch output

MindstormFan

//www.elegoo.com
//2016.12.9

#include "pitches.h"
#include <LiquidCrystal.h>

int ledPin = 6;  // LED on Pin 6 of Arduino
int pirPin = 2; // Input for HC-S501
int buzzer = 5;//the pin of the passive buzzer
int pirValue; // Place to store read PIR Value

MindstormFan

/www.elegoo.com
//2016.12.9

#include "pitches.h"
#include <LiquidCrystal.h>

int ledPin = 6;  // LED on Pin 6 of Arduino
int pirPin = 2; // Input for HC-S501
int buzzer = 5;//the pin of the passive buzzer
int pirValue; // Place to store read PIR Value

MindstormFan

/* Sweep
 by BARRAGAN <http://barraganstudio.com>
 This example code is in the public domain.
 modified 8 Nov 2013
 by Scott Fitzgerald
 http://www.arduino.cc/en/Tutorial/Sweep
*/