LCD not giving desired output
LCD not giving desired output I am learning Arduino and I was making one program which will print "Hello" to the lcd display connected to arduino. I dont know what is wrong but the LCD is not showing desired output, rather shows special characters and when I increase/decrease the contrast of lcd using the Potentiometer, the characters changes everytime. my code is: // include the library code: #include <LiquidCrystal.h> // initialize the library by associating any needed LCD interface pin // with the arduino pin number it is connected to 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); // Print a message to the LCD. lcd.print("hello"); } void loop() { // set the cursor to column 0, line 1 // (note: line 1 is the second row, since counting begins with 0): lcd.setCursor(0, 1); // print the number of seconds s...