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Python on Intel Galileo/Edison – Part6: Light sensor

In this post, we will be using the upm library to interface the Grove Light sensor with the Galileo/Edison using python.

The light sensor is made up of primarily of LDR and opamp:

The Grove light sensor (photo: seeed studio)
The Grove light sensor (image: seeed studio)

“LDR” stands for light dependent resistor (in above schematic, it is marked as “LIGHT”) as the name suggests, it is made up of a material that changes it resistance depending on the intensity of the ambient light.

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