DiScoro writes about inquiry-based learning, digital resources, and ways to encourage higher-order thinking. We focus on STEM education and the use of technology.
A phone with a camera has an built-in light sensor. This makes it possible to use your camera as a Lux meter. Lux meters on smartphones are an easy, accessible and cheap way to measure illumination.
Galactica is a lux meter that can measure light in to modes: direct and reflected. You can save measurements as photos and add a note.
Is a Lux meter on your smartphone reliable? Read the following blog Luxmeter App vs measuring device on research carried out with different smartphones and with different software. The conclusion is that for accurate and consistent measurements you need professional equipment and software.
However, to get an idea about light intensity the lux meters function well. The reflection mode offers the opportunity to see how the colour of a surface reflects or absorbs light. An interesting experiment is with a static lamp shining on a tabletop. Put paper sheets of different colours on the table and measure the light that is reflected by each colour. The results are quite remarkable.
Hardware and software with sensors for light, noise and temperature designed specifically for educational purposes is €Sense. This package offers activities/lessons in which the sensors are used. Read more about €Sense (Euro Sense).
There are many lux meters available for iOS as well as for Android.
| Purchase | Free |
| Hardware | iPhone, iPad |
| Requirements | iOS 6 or higher |
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