IoT & Hardware
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You're reading from  Arduino By Example

Product typeBook
Published inSep 2015
Reading LevelIntermediate
Publisher
ISBN-139781785289088
Edition1st Edition
Languages
Python
Tools
Arduino
Concepts
Single Board Computers
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Authors (2):
Adith Jagadish Boloor
Adith Jagadish Boloor
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Adith Jagadish Boloor

Adith Jagadish Boloor was born in Mangalore, India. He grew up tinkering with toys and gadgets that kindled his interest in how things work. His admiration for science and technology, specifically in the fields of robotics, 3D printing, and smart systems, grew into a passion that he is working towards, nurturing it into a career. He completed his higher studies at Purdue University, USA and Shanghai Jiao Tong University, China and is working towards obtaining a masters degree in robotics. Adith has experience working on robots ranging from simple obstacle—avoiding robots built at home to complex humanoid robots such as the Darwin-OP in Purdue University's research lab. He has coauthored a research paper and has two patents on his name. He enjoys traveling and grabs every opportunity he can to explore the different parts of the world. He is also an international chess player.
Read more about Adith Jagadish Boloor

Adith Jagdish Boloor
Adith Jagdish Boloor
author image
Adith Jagdish Boloor

<p>Adith Jagadish Boloor was born in Mangalore, India. He grew up tinkering with toys and gadgets that kindled his interest in how things work. His admiration for science and technology, specifically in the fields of robotics, 3D printing, and smart systems, grew into a passion that he is working towards, nurturing it into a career. He completed his higher studies at Purdue University, USA and Shanghai Jiao Tong University, China and is working towards obtaining a masters degree in robotics.</p> <p>Adith has experience working on robots ranging from simple obstacle—avoiding robots built at home to complex humanoid robots such as the Darwin-OP in Purdue University's research lab. He has coauthored a research paper and has two patents on his name.</p> <p>He enjoys traveling and grabs every opportunity he can to explore the different parts of the world. He is also an international chess player.</p>
Read more about Adith Jagdish Boloor

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Communicating through a terminal

There is one more dilemma that we have to solve in order to have complete control over the electronic appliance. If we create a digital ON and OFF switch that when set to ON sends a turn ON signal to the relay, the problem is that if the physical switch is already ON, the ON signal of the digital switch will end up actually turning OFF the appliance.

"If the appliance is already ON, why would I send a turn ON signal?" Okay, think about this. Both the switch and the relay are ON, but the bulb would actually be off if you look at the two-way switch and the relay image previously shown. Now, if you want to turn ON the bulb through the relay, you actually have to send an OFF signal.

Pretty confusing, isn't it? To solve this, we will use a flag or a status variable that stores the current state of the relay. This will help us solve logical issues such as the one stated before.

Make sure your router is working as expected. Then, plug in the Arduino into the USB port...

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Arduino By Example
Published in: Sep 2015Publisher: ISBN-13: 9781785289088
© 2015 Packt Publishing Limited All Rights Reserved

Authors (2)

author image
Adith Jagadish Boloor

Adith Jagadish Boloor was born in Mangalore, India. He grew up tinkering with toys and gadgets that kindled his interest in how things work. His admiration for science and technology, specifically in the fields of robotics, 3D printing, and smart systems, grew into a passion that he is working towards, nurturing it into a career. He completed his higher studies at Purdue University, USA and Shanghai Jiao Tong University, China and is working towards obtaining a masters degree in robotics. Adith has experience working on robots ranging from simple obstacle—avoiding robots built at home to complex humanoid robots such as the Darwin-OP in Purdue University's research lab. He has coauthored a research paper and has two patents on his name. He enjoys traveling and grabs every opportunity he can to explore the different parts of the world. He is also an international chess player.
Read more about Adith Jagadish Boloor

author image
Adith Jagdish Boloor

<p>Adith Jagadish Boloor was born in Mangalore, India. He grew up tinkering with toys and gadgets that kindled his interest in how things work. His admiration for science and technology, specifically in the fields of robotics, 3D printing, and smart systems, grew into a passion that he is working towards, nurturing it into a career. He completed his higher studies at Purdue University, USA and Shanghai Jiao Tong University, China and is working towards obtaining a masters degree in robotics.</p> <p>Adith has experience working on robots ranging from simple obstacle—avoiding robots built at home to complex humanoid robots such as the Darwin-OP in Purdue University's research lab. He has coauthored a research paper and has two patents on his name.</p> <p>He enjoys traveling and grabs every opportunity he can to explore the different parts of the world. He is also an international chess player.</p>
Read more about Adith Jagdish Boloor

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