### Install Adafruit VCNL4040 Library Source: https://github.com/adafruit/adafruit_vcnl4040/blob/master/README.md Instructions for installing the Adafruit VCNL4040 library using the Arduino Library Manager. Search for 'Adafruit VCNL4040' and install. ```arduino Install the Adafruit VCNL4040 library using the Arduino Library Manager. Search for "Adafruit VCNL4040" and install. ``` === COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.