Crowtail- I2C LCD
Description¶
A new crowtail for LCD1602, it contains LCD1602 and MCP23008 module. Unique interface for crowtail. Provide convenience to work with a LCD.
Model: CT0046LCD
Features¶
- Easy to use
- Voltage:3v-5v
- Crowtail compatible interface
- Dimensions(mm):80.0(L)x36.0(W)x17.8(H)
Usage¶
1.Hardware connection
Connect the Crowtail- I2C LCD to I port.
2.Connect the board to PC using USB cable.
3.Download the library;Unzip it into the libraries file of Arduino IDE by the path: ..\arduino-1.0.1\libraries.
4.Open the code directly by the path:File -> Example ->Liquid Crystal->HelloWorld.
#include <Wire.h>
#include "LiquidCrystal.h"
// Connect via i2c, default address #0 (A0-A2 not jumpered)
LiquidCrystal lcd(0);
void setup() {
// set up the LCD's number of rows and columns:
lcd.begin(16, 2);
// Print a message to the LCD.
lcd.print("hello, world!");
}
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 since reset:
lcd.print(millis()/1000);
lcd.setBacklight(HIGH);
delay(1000);
lcd.setBacklight(LOW);
delay(1000);
}
5.Upload the Code,you shoule see the display of LCD1602.
