EEPROM

#include <EEPROM.h>
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  readEEPROM();
}

void loop() {
}
  // put your main code here, to run repeatedly:
void readEEPROM() {
  int value =0;
  int addr = 0;
  value = EEPROM.read(addr);
  while (value != 0) {
    Serial.print(value);
    addr = addr + 1;
    value = EEPROM.read(addr);
  }
  Serial.println();
}

School flight landing VTCC Boeing777-300ER

0000

int led1 = 2;
int led2 = 3;
int led3 = 4;

int sw = 8;
void setup() {
  // put your setup code here, to run once:
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(sw, INPUT);
}
void loop() {
  // put your main code here, to run repeatedly:
  int swInput = digitalRead(sw);
  if (swInput == ' '){
    digitalWrite (led1,HIGH);
    digitalWrite (led2,LOW);
    digitalWrite (led3,LOW);
  } else {
    (swInput == ' ');
    digitalWrite (led1,LOW);
    digitalWrite (led2,LOW);
    digitalWrite (led3,LOW);
  }
}

Exam2

int led1 = 2;
int led2 = 3;
int sw1 = 7;
int sw2 = 8;
int time = 100;
int count = 0;
int s = LOW;
int a;
int old = HIGH;
void setup() {
// put your setup code here, to run once:
pinMode(led1,OUTPUT);
pinMode(led2,OUTPUT);
pinMode(sw7,INPUT);
pinMode(sw8,INPUT);
}

void loop() {
// put your main code here, to run repeatedly:
if(digitalRead(sw1)==LOW && digitalRead(sw2)==HIGH ){
for(int i = 1;i <= 3;i++){
digitalWrite(led1,!s);
delay(time);
digitalWrite(led1,LOW);
digitalWrite(led2,!s);
delay(time);
digitalWrite(led2,LOW);

if(digitalRead(sw2)==LOW && digitalRead(sw1)==HIGH){
time = time + 100;
}
i = 1; 
}
}
}

arduino-lcd-alarm-clock

http://fritzing.org/projects/arduino-lcd-alarm-clock/

Exam

#define LED_PIN 13
int DT = 2000;

void setup() {
 pinMode(LED_PIN,OUTPUT);
 Serial.begin(9600);
 Serial.println("Please select: \n + - increase_speed \n - - decrease_speed");
}

void loop() {
 
  char inp;
 
  if(Serial.available() > 0){
   inp = Serial.read();
   if (inp == '+') {
     DT = DT + 200;
   }
     else if (inp == '-'){
     DT = DT+ - 200;
   } else{
     DT = 2000;
   }
 }
 digitalWrite(LED_PIN, HIGH);
 delay(DT);
 digitalWrite(LED_PIN, LOW);
 delay(DT);

}

Welcome to 100 Flight hours !!!!

.include "D:\4th years\INTRODUCTION TO VERY LARGE SCALE INTEGRATED\necessary file\morbn20.md"
VDD VDD GND 5
VA A GND BIT ({00001111}) AC 5
VB B GND BIT ({00110011}) AC 5
VCin Cin GND BIT ({01010101}) AC 5

.tran/op 1n 80n method=bdf

.print tran v(A) v(B) v(Cin) v(Sum) v(Cout)