Hi, in designer Button display Status LED But i want to display Lcd 16x2 + i2c
command sudo i2cdetect -y 1
address 0x27
and include not error

#include "wiringPiI2C.h"
#include "wiringPi.h"

wiringPisetup();
wiringPiI2CSetup(27);
LcdDisplay("Test",0);

after run not Display to Lcd
Help Me Pls