I recently needed to measure how different materials affect light transmission for a gardening project.  This seemed like a perfect fit for an Arduino project based around the TSL2561 Light sensor.

It can display the raw "Visible light" count from the sensor and then the calculated Lux.

I used the following parts in this project:

Optional (but definitely helps keep everything tidy):

This guide was first published on Dec 17, 2012. It was last updated on 2012-12-17 10:52:04 -0500.

This page (Overview & Parts) was last updated on Oct 14, 2012.

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