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Hands-On Internet of Things with Blynk

You're reading from   Hands-On Internet of Things with Blynk Build on the power of Blynk to configure smart devices and build exciting IoT projects

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Product type Paperback
Published in May 2018
Publisher Packt
ISBN-13 9781788995061
Length 271 pages
Edition 1st Edition
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Author (1):
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Pradeeka Seneviratne Pradeeka Seneviratne
Author Profile Icon Pradeeka Seneviratne
Pradeeka Seneviratne
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Toc

Light sensor

Smartphones and tablets have built-in light sensors (also known as ambient light sensors) to measure the light level and adjust the brightness of the screen accordingly to save the battery. Blynk provides a Light widget to take values from the built-in ambient light sensor on your smartphone. The light level can be measured in lux (symbol: lx).

Adding the Light Sensor widget

The following steps will show you how to add a Light widget to your Blynk app:

  1. In the Widget Box, under SMARTPHONE SENSORS, tap Light Sensor
  2. The Light Sensor widget will be added to the canvas

Configuring the Light Sensor widget

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