This tutorial will show how to read the voltage on the ADC found on an Arduino microcontroller. To read the voltage coming from the voltage diverer circuit, an Analog to Digital Converter (ADC) will be necessary.A basic understanding of voltage dividers is recommended.
A voltage divider circuit is used to create a usable signal from the light sensor for a microcontroller. Knowing how transistors work will be helpful in using the TEMT6000. 
An intuitive understanding of light should be enough to make use of the TEMT6000, but, if you're looking for more precise applications, this is worth the read.
Check out our Light Tutorial for more information on the technical properties of light. Here's what you'll need to follow along with this guide: Suggested Reading After that, we’ll show you how to use it to make a practical DIY nightlight! Required Materials In this guide, we’ll show you how to quickly get the ambient light sensor breakout up and running, then discuss some of the more technical details of how it functions. Don't worry if illuminance is new to you though, the TEMT6000 is very intuitive to use: brighter = more current, darker = less current. While there are many properties of light that can help us categorize its brightness, the TEMT6000 measures illuminance (measured in lux (lx), often denoted E v). As the name suggests, the TEMT6000 Light Sensor will detect the brightness of its surroundings.
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