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# Horn Versions
Displaying the version and its functions with examples.
## Version 01
In these functions, you must specify the digital pin corresponding to the module you are using.
![](Images/1.png)
*Example 1*
This function accepts two values from you: one to turn the Horn on, and one to turn the Horn off.
![](Images/2.png)
*Example 2*
This function takes a number between 0 and 1023 to control the tone of the Horn.