Low pass RC filter for 1602 LCD contrast adjustment

This is a very simple low pass RC filter that is being added to an 1602 LCD display on the contrast pin in order to be able to programaticaly change the contrast from the code and not use a variable resistor.

The schematic is part of my instructional video on how the 1602 display can be controlled:

Code used in the video:
https://github.com/bkolicoski/1602-lcd-contrast