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* A simple program to sequentially turn on and turn off 12 LEDs * Arduino Code / int LED1 = 13; int LED2 = 12; int LED3 = 11; int LED4 = 10; int LED5 = 9; int LED6 = 8; int LED7 = 7; int LED8 = 6; int LED9 = 5; int LED10 = 4; int LED11 = 3; int LED12 = 2; void setup() {    pinMode(LED1, OUTPUT);    pinMode(LED2, OUTPUT);    pinMode(LED3, OUTPUT);    pinMode(LED4, OUTPUT);    pinMode(LED5, OUTPUT);    pinMode(LED6, OUTPUT);    pinMode(LED7, OUTPUT);    pinMode(LED8, OUTPUT);    pinMode(LED9, OUTPUT);    pinMode(LED10, OUTPUT);    pinMode(LED11, OUTPUT);    pinMode(LED12, OUTPUT); } void loop() {   digitalWrite(LED1, HIGH);    // turn on LED1   delay(100);                  // wait for 200ms   digitalWrite(LED2, HIGH);    // turn on LED2   delay(100);                  // wait for 200ms        digitalWrite(LED3, HIGH);    // turn on LED3   delay(100);                  // wait for 200ms   digitalWrite(LED4, HIGH);    // turn on LED4   delay(100)

#Blink.py import time import RPi.GPIO as GPIO GPIO.setmode(GPIO.BCM) GPIO.setup(14,GPIO.OUT) GPIO.output(14, True) time.sleep(1) GPIO.output(14, False) GPIO.setup(15,GPIO.OUT) GPIO.output(15, True) time.sleep(1) GPIO.output(15, False) GPIO.setup(18,GPIO.OUT) GPIO.output(18, True) time.sleep(1) GPIO.output(18, False) GPIO.setup(23,GPIO.OUT) GPIO.output(23, True) time.sleep(1) GPIO.output(23, False) GPIO.setup(24,GPIO.OUT) GPIO.output(24, True) time.sleep(1) GPIO.output(24, False) GPIO.setup(25,GPIO.OUT) GPIO.output(25, True) time.sleep(1) GPIO.output(25, False) GPIO.setup(8,GPIO.OUT) GPIO.output(8, True) time.sleep(1) GPIO.output(8, False) GPIO.setup(7,GPIO.OUT) GPIO.output(7, True) time.sleep(1) GPIO.output(7, False) GPIO.setup(12,GPIO.OUT) GPIO.output(12, True) time.sleep(1) GPIO.output(12, False) GPIO.setmode(GPIO.BCM) GPIO.setup(14,GPIO.OUT) GPIO.output(14, True) time.sleep(1) GPIO.output(14, False) GPIO.s

//Arduino Code:  #include <LiquidCrystal.h> const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2; LiquidCrystal lcd(rs, en, d4, d5, d6, d7); void setup() {   // set up the LCD's number of columns and rows:   lcd.begin(16, 2); } void loop() {         lcd.setCursor(0, 0);         lcd.print("Print-1");         lcd.setCursor(7, 0);         lcd.print("Print-2");               lcd.setCursor(0, 1);         lcd.print("Print-3");               lcd.setCursor(7, 1);         lcd.print("Print-4");         delay(1000);       }