Smart training kit the first in the world

#include <LiquidCrystal_I2C.h>
#include <Wire.h> 
#include <SoftwareSerial.h>
SoftwareSerial hc12(5,4); // RX, TX
LiquidCrystal_I2C lcd(0x27, 20, 4); 
int button;
float arr[3];
float res;
float power;
float ACres;
float ACpowW;
float showpower;
//*************************************
void setup() {
 hc12.begin(9600);
 Serial.begin(9600);
 lcd.init(); 
 lcd.backlight();
 pinMode(12,INPUT);
}
void loop() {
 button=digitalRead(12);
 /*lcd.setCursor(0,0);
 lcd.print("Hello, world!");
 lcd.setCursor(0,1);
 lcd.print("Hello, world!");
 lcd.setCursor(0,2);
 lcd.print("Hello, world!");
 lcd.setCursor(0,3);
 lcd.print("Hello, world!");
button=digitalRead(12);*/
/*lcd.setCursor(0,0);
lcd.print("steps:-");
lcd.setCursor(0,8);
lcd.print(s);
*/
//Serial.println(button);
//**********************************************************
if(button == 1){
 if (hc12.available()) {
 //int curr=hc12.read();
 Serial.print(hc12.read());
 ACres=220/curr;
 ACpowW=220*curr*0.9;
 showpower=220*curr;
lcd.setCursor(0,0);
 lcd.print("AC-current=");
 lcd.setCursor(0,12);
 lcd.print(curr);
 lcd.setCursor(0,1);
 lcd.print("AC-resistance="); 
 lcd.setCursor(14,1);
 lcd.print(ACres);
 lcd.setCursor(0,2);
 lcd.print("AC-power=");
 lcd.setCursor(9,2);
 lcd.print(ACpowW);
 lcd.setCursor(0,3);
 lcd.print("Ac-S.power=");
 lcd.setCursor(11,3);
 lcd.print(showpower);
 
 
 }}
//**********************************************************
else{
 if (Serial.available()) {
 for (int i=0; i<=3; i++){
 arr[i] = Serial.parseFloat();
 }
 
// char to_char[16];
// itoa(arr, to_char, 10);
 }
 float cur=arr[1];
 float volt=arr[3];*/
 Serial.println(cur);
 Serial.println('\n');
 Serial.println(volt);*/
 res=cur/volt;
 power=cur*volt;
 lcd.setCursor(0,0);
 lcd.print("Current=");
 lcd.setCursor(9,0);
 lcd.print(cur);
 lcd.setCursor(0,1);
 lcd.print("Voltage=");
 lcd.setCursor(9,1);
 lcd.print(volt);
 lcd.setCursor(0,2);
 lcd.print("Power=");
 lcd.setCursor(7,2);
 lcd.print(power);
 lcd.setCursor(0,3);
 lcd.print("Resistance=");
 lcd.setCursor(12,3);
 lcd.print(res);
}}

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2); 
float analog;
int digital;
//int analog1;
//int sw;
void setup() {
 // put your setup code here, to run once:
 Serial.begin(9600);
 lcd.init(); 
 lcd.backlight();
 //lcd.init(); 
 /*pinMode(11,INPUT);
 pinMode(2,INPUT);*/
 pinMode(12,INPUT);
}
void loop() {
 // put your main code here, to run repeatedly:
 delay(500);
analog=analogRead(1);
digital=digitalRead(12);
Serial.println(analog);
//analog1=digitalRead(1);
//sw=digitalRead(12);
lcd.setCursor(0,0);
lcd.print("analog:");
lcd.setCursor(8,0);
lcd.print(analog,3);
lcd.setCursor(0,1);
lcd.print("digital:");
lcd.setCursor(9,1);
lcd.print(digital);

int pin2,pin3,pin6,pin7,pin10,pin11;
//...................................................................................
void setup() {
 //and
pinMode(2,INPUT);
pinMode(3,INPUT);
pinMode(4,OUTPUT);
pinMode(5,OUTPUT);
//or
pinMode(6,INPUT);
pinMode(7,INPUT);
pinMode(8,OUTPUT);
pinMode(9,OUTPUT);
//not
pinMode(10,INPUT);
pinMode(11,INPUT);
pinMode(12,OUTPUT);
pinMode(13,OUTPUT);
}
//...........................................................................................
void loop() {
 // AND
pin2=digitalRead(2);
pin3=digitalRead(3);
//OR
pin6=digitalRead(6);
pin7=digitalRead(7);
//NOT
pin10=digitalRead(10);
pin11=digitalRead(11);
//........................................................................................
//THE AND GATE
if(pin2==0 && pin3==0){
 digitalWrite(4,0); 
 digitalWrite(5,0); 
}
else if(pin2==1 && pin3==0){
 digitalWrite(4,0); 
 digitalWrite(5,0); 
}
else if(pin2==0 && pin3==1){
 digitalWrite(4,0); 
 digitalWrite(5,0); 
}
else if(pin2==1 && pin3==1){
 digitalWrite(4,1); 
 digitalWrite(5,1); 
}
else{
 digitalWrite(4,0); 
 digitalWrite(5,0); 
}
//...............................................................................
//THE OR GATE
if(pin6==0 || pin7==0){
 digitalWrite(8,0); 
 digitalWrite(9,0); 
}
else if(pin6==1 || pin7==0){
 digitalWrite(8,1); 
 digitalWrite(9,1); 
}
else if(pin6==0 || pin7==1){
 digitalWrite(8,1); 
 digitalWrite(9,1); 
}
else if(pin6==1 || pin7==1){
 digitalWrite(8,1); 
 digitalWrite(9,1); 
}
else{
 digitalWrite(8,0); 
 digitalWrite(9,0); 
}
//.....................................................................................
//THE NOT GATE
if(pin10==0){
 digitalWrite(12,1); 
}
else{
 digitalWrite(12,0); 
}
if(pin11==0){
 digitalWrite(13,1); 
}
else{
 digitalWrite(13,0); 
}}

#include <TM1637Display.h>
#include "dht.h" 
#include <Wire.h> 
#define dht_apin A0
const int CLK = 9; //Set the CLK pin connection to the display
const int DIO = 8; //Set the DIO pin connection to the display
TM1637Display display(CLK, DIO); //set up the 4-Digit Display.
int s;
dht DHT;
//***************************************************************************
void setup() {
 display.setBrightness(0x0a);
 Serial.begin(9600);//set the diplay to maximum brightness 
 pinMode(7,INPUT);
 pinMode(12,OUTPUT);
}
void loop() {
 // put your main code here, to run repeatedly:
 Serial.print("temperature =");
 Serial.print("\n");
 Serial.print(DHT.temperature); 
 //Serial.println(s); 
DHT.read11(dht_apin);
s=digitalRead(7);
display.showNumberDec( DHT.temperature);
if(s == 1){
 digitalWrite(12,1);
}
else{
 digitalWrite(12,0); 
}}

#include <SoftwareSerial.h>
SoftwareSerial mySerial(12, 13); // RX, TX
char x;
void setup() {
 // Open serial communications and wait for port to open:
 Serial.begin(9600);
 //Serial.println("Goodnight moon!");
 mySerial.begin(9600);
// mySerial.println("Hello, world?");
}
void loop() { // run over and over
 if (mySerial.available()) {
 x=mySerial.read();
 Serial.write(x);
 }
 if(x == 'a'){
 Serial.println("LED1 off");
}
49
 else if(x == 'A'){
 Serial.println("LED1 on");
}
 else if(x =='b'){
 Serial.println("LED2 off");
}
 else if(x == 'B'){
 Serial.println("LED2 on");
}
 else if(x == 'c'){
 Serial.println("LED3 on");
}
 else if(x == 'C'){
 Serial.println("LED3 off");
}

#include <Servo.h>
Servo ESC; // create servo object to control the ESC
int potValue; // value from the analog pin
int button;
void setup() {
 // Attach the ESC on pin 9
ESC.attach(9,1000,2000);// (pin, min pulse width, max pulse width in microseconds) 
Serial.begin(9600);
pinMode(11,INPUT);//button
pinMode(12,OUTPUT);//relay
}
void loop() {
button= digitalRead(11);
 potValue = analogRead(A2); // reads the value of the potentiometer (value between 0 and 1023)
 potValue = map(potValue, 0, 1023, 0, 180); // scale it to use it with the servo library (value between 0 and 180)
 ESC.write(potValue); // Send the signal to the ESC
if(button == 1){
 digitalWrite(12,0);
}
 else{
 digitalWrite(12,1);
 }}

#include <Stepper.h>
#include <Servo.h>
Servo myservo; 
const int stepsPerRevolution = 200; 
int val;
int button;
Stepper myStepper(stepsPerRevolution, 8, 9, 10, 11);
int changeres;
int stepCount = 0; 
//....................................................................
void setup() {
 // nothing to do inside the setup
 pinMode(11,INPUT);
 myservo.attach(5);
}
void loop() {
 changeres=analogRead(5);
 if(button == 1){
 int sensorReading = analogRead(A0);
 int motorSpeed = map(sensorReading, 0, 1023, 0, 100);
 if (motorSpeed > 0) {
 myStepper.setSpeed(motorSpeed);
 myStepper.step(stepsPerRevolution / 100);
 }
 }
 else{
 myStepper.step(1);
 Serial.print("steps:");
 Serial.println(stepCount);
 stepCount++;
 delay(500);
 }
 val = map(changeres, 0, 1023, 0, 180); // scale it to use it with the servo (value between 0 and 180)
 myservo.write(val);
}

#include <Wire.h>
#include <SoftwareSerial.h>
SoftwareSerial hc12(5,4); // RX,TX
const int currentPin = A0;
int sensitivity = 66;
int adcValue= 0;
int offsetVoltage = 2500;
double adcVoltage = 0;
double currentValue = 0;
void setup() 
{
 Serial.begin(9600);
 hc12.begin(9600); 
}
void loop()
{
 adcValue = analogRead(currentPin);
 adcVoltage = (adcValue / 1024.0) * 5000;
 currentValue = ((adcVoltage - offsetVoltage) / sensitivity);
 Serial.print("\t Current = ");
 Serial.println(currentValue,3);
 /*lcd.setCursor(0,0);
 lcd.print("Current = ");
 lcd.setCursor(10,0);
 lcd.print(currentValue,2);
 lcd.setCursor(14,0);
 lcd.print("A");
 delay(2500);*/
 hc12.println(currentValue);
}

#include <SPI.h>
#include <MFRC522.h>
#define SS_PIN 10
#define RST_PIN 9
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance.
void setup() 
{

 Serial.begin(9600); // Initiate a serial communication
 SPI.begin(); // Initiate SPI bus
 mfrc522.PCD_Init(); // Initiate MFRC522
 //Serial.println("Approximate your card to the reader...");
 //Serial.println();
 pinMode(3,OUTPUT);
}
void loop() 
{
 // Look for new cards
 if ( ! mfrc522.PICC_IsNewCardPresent()) 
 {
 return;
 }
 // Select one of the cards
 if ( ! mfrc522.PICC_ReadCardSerial()) 
 {
 return;
 }
 //Show UID on serial monitor
// Serial.print("UID tag :");
 String content= "";
 byte letter;
 for (byte i = 0; i < mfrc522.uid.size; i++) 
 {
 Serial.print(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " ");
 Serial.print(mfrc522.uid.uidByte[i], HEX);
 content.concat(String(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " "));
 content.concat(String(mfrc522.uid.uidByte[i], HEX));
 }
 Serial.println();
 //Serial.print("Message : ");
 content.toUpperCase();
 if (content.substring(1) == "5B C6 01 22") //change here the UID of the card/cards that you want to give access
 {
 Serial.println("hatm");
 digitalWrite(3,1);
 
 }
else{
 digitalWrite(3,0);
}
 if (content.substring(1) == "5B 4E FA 21") //change here the UID of the card/cards that you want to give access
 {
 Serial.println("jafar");
 digitalWrite(3,1);
 }
else{
 digitalWrite(3,0);
}}