IoT & Hardware
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You're reading from  Mastering Arduino

Product typeBook
Published inSep 2018
Reading LevelBeginner
PublisherPackt
ISBN-139781788830584
Edition1st Edition
Languages
C
Tools
Arduino
Concepts
Single Board Computers
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Author (1)
Jon Hoffman
Jon Hoffman
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Jon Hoffman

Jon Hoffman has over 25 years of experience in the field of information technology. Over these years, Jon has worked in the areas of system administration, network administration, network security, application development, and architecture. Currently, Jon works as a senior software engineer for Syn-Tech Systems. Jon has developed extensively for the iOS platform since 2008. This includes several apps that he has published in the App Store, apps that he has written for third parties, and numerous enterprise applications. He has also developed mobile applications for the Android and Windows platforms. What really drives Jon the challenges that the field of information technology provides and there is nothing more exhilarating to him than overcoming a challenge. Some of Jon's other interests are spending time with his family, robotic projects, and 3D printing. Jon also really enjoys Tae Kwon Do, where he and his oldest daughter Kailey earned their black belts together early in 2014, Kim (his wife) earned her black belt in December 2014, and his youngest daughter Kara is currently working towards her black belt.
Read more about Jon Hoffman

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Circuit diagrams

The following diagram shows the Fritzing diagram for this project:

In this diagram, we can see that the VCC and ground pins on both sensors are connected to the power and ground rails on the breadboard. The power and ground rails on the breadboard are connected to the 5V out and the ground pins on the Arduino.

The image of the DHT11 sensor that we showed earlier in this chapter shows a DHT11 sensor with three pins; however, the sensor in the Fritzing library has four pins. It is safe to ignore the extra pin on the Fritzing diagram.

This diagram shows that the data pin on the DHT11 sensor is connected to the digital 3 pin on the Arduino and it also has a 4.7K pull-up resistor. If the DHT11 sensor that you are using does not have a built-in pull-up resistor, you will need to add this external one that is shown in this diagram. The analog out on the rain sensor...

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Mastering Arduino
Published in: Sep 2018Publisher: PacktISBN-13: 9781788830584
© 2018 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Jon Hoffman

Jon Hoffman has over 25 years of experience in the field of information technology. Over these years, Jon has worked in the areas of system administration, network administration, network security, application development, and architecture. Currently, Jon works as a senior software engineer for Syn-Tech Systems. Jon has developed extensively for the iOS platform since 2008. This includes several apps that he has published in the App Store, apps that he has written for third parties, and numerous enterprise applications. He has also developed mobile applications for the Android and Windows platforms. What really drives Jon the challenges that the field of information technology provides and there is nothing more exhilarating to him than overcoming a challenge. Some of Jon's other interests are spending time with his family, robotic projects, and 3D printing. Jon also really enjoys Tae Kwon Do, where he and his oldest daughter Kailey earned their black belts together early in 2014, Kim (his wife) earned her black belt in December 2014, and his youngest daughter Kara is currently working towards her black belt.
Read more about Jon Hoffman

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