Arduino Uno ds18b20 and sure 2416 dor matrix display

thanks for your answer

"sensors.requestTemperatures()" ( i forgot to write it on here but is present on sketch )

what and where else exatly ?

char temperature = 0 ;

sensors.requestTemperatures();

Serial.println(temperature,DEC);

char buffer[4];
itoa(temperature,buffer,10);
ht1632_putchar(0 , 0, buffer[0]);
ht1632_putchar(6 , 0, buffer[1]);
ht1632_putchar(12 , 0, buffer[2]);
ht1632_putchar(18 , 0, buffer[3]);
ht1632_puttinychar(26 , 0, 'o');
ht1632_putchar(33 , 0, 'C');
delay(150);

thanks