LCD 8x2 0802A

0802-A LCD

Pinai

0802-A LCD 14pin pinout

Pin nr	Tipas	Apibūdinimas	Jungimas
1	Vss	Power supply (GND)	GND
2	Vdd	Power supply (+)	5V
3	Vo	Contrast adjust	GND su 2k-10k resistoriumi
4	RS	Register select signal	Skaitmeninis pin
5	R/W	Data read / write	GND
6	E	Enable signal	Skaitmeninis pin
7	DB0	Data bus line	Neprijungtas
8	DB1	Data bus line	Neprijungtas
9	DB2	Data bus line	Neprijungtas
10	DB3	Data bus line	Neprijungtas
11	DB4	Data bus line	Skaitmeninis pin
12	DB5	Data bus line	Skaitmeninis pin
13	DB6	Data bus line	Skaitmeninis pin
14	DB7	Data bus line	Skaitmeninis pin

Prijungimas prie Arduino UNO

0802-A LCD 14pin pinout Arduino UNO

Pin nr	Tipas	Apibūdinimas	Jungimas
1	Vss	Power supply (GND)	GND
2	Vdd	Power supply (+)	5V
3	Vo	Contrast adjust	GND su 2k-10k resistoriumi
4	RS	Register select signal	Arduino Pin 12
5	R/W	Data read / write	GND
6	E	Enable signal	Arduino Pin 11
7	DB0	Data bus line	Neprijungtas
8	DB1	Data bus line	Neprijungtas
9	DB2	Data bus line	Neprijungtas
10	DB3	Data bus line	Neprijungtas
11	DB4	Data bus line	Arduino Pin 5
12	DB5	Data bus line	Arduino Pin 4
13	DB6	Data bus line	Arduino Pin 3
14	DB7	Data bus line	Arduino Pin 2

Kodas

#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(8, 2);
  delay(3000);
  // Print a message to the LCD
  lcd.print("Hello!");
}
 
void loop() {
  // set the cursor to column 0, line 1
  lcd.setCursor(0, 1);
  // print the number of seconds since reset:
  lcd.print(millis() / 1000);
}