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tm1638-library/setDisplayToHexNumber.md
2015-03-15 10:11:53 -04:00

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# setDisplayToHexNumber Reference (TM1638) #
Set the display to a unsigned hexadecimal number, with or without leading zeros.
```
void setDisplayToHexNumber(unsigned long number, byte dots, boolean leadingZeros, const byte numberFont[]);
```
| Argument | Detail | Default | Since |
|:---------|:-------|:--------|:------|
| number | The number to display | _required_ | |
| dots | The dots to set (bitwise) | _required_ | |
| leadingZeros | _true_ to display leading zeros, false otherwise | true | |
| numberFont | The font (segment data) to use for numbers, defaulting to the built-in font. | NUMBER\_FONT, the built-in number font | v1.5.0 |
# Example #
Display "00000A1A.":
```
module1.setDisplayToHexNumber(0x0a1a, 1);
```
Display 15 in hexadecimal with no dots and no leading zeroes:
```
module1.setDisplayToHexNumber(15, 0, false);
```