IoT & Hardware
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You're reading from  ESP8266 Internet of Things Cookbook

Product typeBook
Published inApr 2017
PublisherPackt
ISBN-139781787288102
Edition1st Edition
Tools
ESP8266
Concepts
Robotics
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Author (1)
Marco Schwartz
Marco Schwartz
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Marco Schwartz

Marco Schwartz is an electrical engineer, entrepreneur, and blogger. He has a master's degree in electrical engineering and computer science from Supélec, France, and a master's degree in micro engineering from the Ecole Polytechnique Fédérale de Lausanne (EPFL), Switzerland. He has more than five years' experience working in the domain of electrical engineering. Marco's interests center around electronics, home automation, the Arduino and Raspberry Pi platforms, open source hardware projects, and 3D printing. He has several websites about the Arduino, including the Open Home Automation website, which is dedicated to building home automation systems using open source hardware. Marco has written another book on home automation and the Arduino, called Home Automation With Arduino: Automate Your Home Using Open-source Hardware. He has also written a book on how to build Internet of Things projects with the Arduino, called Internet of Things with the Arduino Yun, by Packt Publishing.
Read more about Marco Schwartz

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Automated light control

In this recipe, we will look at automated light control using M2M. We will work on a project that will turn a light source on or off, depending on the light intensity of the surrounding environment. Two ESP8266 boards will be used to accomplish this. One of them will have a light dependent resistor, and the other will have a relay connected to it.

Getting ready

You will need the following hardware components:

Connect the analog input of the ESP8266 board to an LDR connected to a 10 kΩ resistor in a voltage divider circuit, as shown in the following image. This setup is going to act as the input for the system:

As for the output of the system, connect a relay to GPIO2 of the other ESP8266 board. The connection will be via an NPN transistor such as the 2N222, and a diode...

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ESP8266 Internet of Things Cookbook
Published in: Apr 2017Publisher: PacktISBN-13: 9781787288102
© 2017 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Marco Schwartz

Marco Schwartz is an electrical engineer, entrepreneur, and blogger. He has a master's degree in electrical engineering and computer science from Supélec, France, and a master's degree in micro engineering from the Ecole Polytechnique Fédérale de Lausanne (EPFL), Switzerland. He has more than five years' experience working in the domain of electrical engineering. Marco's interests center around electronics, home automation, the Arduino and Raspberry Pi platforms, open source hardware projects, and 3D printing. He has several websites about the Arduino, including the Open Home Automation website, which is dedicated to building home automation systems using open source hardware. Marco has written another book on home automation and the Arduino, called Home Automation With Arduino: Automate Your Home Using Open-source Hardware. He has also written a book on how to build Internet of Things projects with the Arduino, called Internet of Things with the Arduino Yun, by Packt Publishing.
Read more about Marco Schwartz

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