IoT & Hardware
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You're reading from  Learning C for Arduino

Product typeBook
Published inMar 2017
Reading LevelBeginner
PublisherPackt
ISBN-139781787120099
Edition1st Edition
Languages
C
Tools
Embedded SystemsArduino
Concepts
Single Board Computers
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Author (1)
Syed Omar Faruk Towaha
Syed Omar Faruk Towaha
author image
Syed Omar Faruk Towaha

Syed Omar Faruk Towaha is a data scientist, and currently working at Meta. He has two bachelor's degrees, one in Physics, another in Computer Science and a Master's in Data Science. He is based in London, England, and has interests in data science and IoTs. While Syed is not busy with his jobs, he uses his time to write something about new technologies. His recent publications include Building Smart Drones With ESP8266 and Arduino, Introduction to Rust Programming, Learning C for Arduino, and JavaScript Projects for Kids.
Read more about Syed Omar Faruk Towaha

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Home security

We will make a simple security device that will sense unusual motion in your home. Say, if anyone enters your room, the motion sensor will detect the human presence and make sound. We will also connect an LED too. You can later connect a GSM module to either call or send you an SMS if anyone enters your room. This time we will use the following components to build our motion detecting home security device:

  • PIR (Passive InfraRed) motion sensor

  • Buzzer or Speaker

  • LED

  • Resistors

  • Jumper Wires

  • Arduino

The following image shows a PIR sensor:

It has three pins, VCC or +DC voltage, GND, and Output or Data. The connection between the Arduino and the PIR is simple. We will connect the VCC to the 5V pin of the Arduino with the jumper wire, GND to the GND of the Arduino, and the Data pin will be connected to any of the digital pins. In my case it is digital pin 2. See the following figure for clarification. We will connect the speaker's anode to Arduino digital pin 3 and the LED's positive pin...

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Learning C for Arduino
Published in: Mar 2017Publisher: PacktISBN-13: 9781787120099
© 2017 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Syed Omar Faruk Towaha

Syed Omar Faruk Towaha is a data scientist, and currently working at Meta. He has two bachelor's degrees, one in Physics, another in Computer Science and a Master's in Data Science. He is based in London, England, and has interests in data science and IoTs. While Syed is not busy with his jobs, he uses his time to write something about new technologies. His recent publications include Building Smart Drones With ESP8266 and Arduino, Introduction to Rust Programming, Learning C for Arduino, and JavaScript Projects for Kids.
Read more about Syed Omar Faruk Towaha

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