UTF-8 test with u8g2

test.ino

#include <Arduino.h>
#include <U8g2lib.h>

#ifdef U8X8_HAVE_HW_SPI
#include <SPI.h>
#endif
#ifdef U8X8_HAVE_HW_I2C
#include <Wire.h>
#endif


U8G2_SSD1306_128X64_NONAME_1_4W_HW_SPI u8g2(U8G2_R0, /* cs=*/ 12, /* dc=*/ 4, /* reset=*/ 6);


void setup(void) 
  {
  Serial.begin(9600);
  u8g2.begin();
}
  
void loop(void){
  u8g2.enableUTF8Print();
  u8g2.setFont(vazirm14); //set font
  
  uint16_t v = 0x0628;
  char lo = v & 0xFF;
  char hi = v >> 8;
  String output = String(hi) + String(lo);
  
  u8g2.firstPage();
  do {
    u8g2.setCursor(10, 50);
    u8g2.print(output);
  } while ( u8g2.nextPage() );
  delay(10000);
}