Raspberry Pi Sensors

Book Description

Integrate sensors into your Raspberry Pi projects and let your powerful microcomputer interact with the physical world

About This Book

• Learn how to apply sensors to your Raspberry Pi board to create impressive interactive projects
• Dig deeper into your Raspberry Pi using Linux and Python
• Get to grips with a range of exciting libraries, including OpenCV, and use them to power your projects

Who This Book Is For

This book is perfect for hardware enthusiasts who want to develop amazing projects using Raspberry Pi. Some knowledge and experience working with Linux, C, and Python is a plus, but once you’re set up to go, you’ll be ready to push the creative capabilities of your Raspberry Pi even further.

What You Will Learn

• Set up your Raspberry Pi board and integrate it with powerful sensors
• Discover how to operate your Raspberry Pi by exploring its Linux-based OS
• Develop a deep understanding of your Raspberry Pi’s GPIOs and access them through Python, C, and shell scripting
• Create an ultrasonic distance meter and use it to make an aid for visually impaired or blind people
• Interface a temperature-humidity sensor and photocells together with your Raspberry Pi to log the data
• Find out how to upload the data you collect online and receive regular notifications of irregularities
• Integrate OpenCV with your Raspberry Pi and learn how you can master the latest in image processing technology with the power of computer vision

In Detail

The tiny Raspberry Pi device contains the power to revolutionize the way we understand computing. Built with a Linux-based operating system, it is a tool that invites exploration and experimentation, and can be repurposed and integrated with other hardware and software to help create some truly exciting projects.

With Raspberry Pi Sensors you will learn how to get more from your Raspberry Pi and dive deeper into its engineering by exploring its Linux-based OS before learning how to develop and execute programs on it using Python and C. You’ll then find a range of projects like creating your own ultrasonic sensor to monitor the atmosphere, connect your Raspberry Pi to the Internet so you can upload data online and use it as a launchpad to create Internet of Things based projects. Learn how to create your own image sensor using a simple USB camera and the innovative OpenCV library to perform motion detection.

Table of Contents

Chapter 1. Meeting Your Buddy – the Raspberry Pi
Chapter 2. Meeting the World of Electronics
Chapter 3. Measuring Distance Using Ultrasonic Sensors
Chapter 4. Monitoring the Atmosphere Using Sensors
Chapter 5. Using an ADC to Interface any Analog Sensor with the Raspberry Pi
Chapter 6. Uploading Data Online – Spreadsheets, Mobile, and E-mails
Chapter 7. Creating an Image Sensor Using a Camera and OpenCV

中文：

书名：Raspberry Pi Sensors

将传感器集成到你的Raspberry PI项目中，让你强大的微型计算机与物理世界互动

关于本书

• 了解如何将传感器应用到你的树莓PI板上，以创建令人印象深刻的互动项目
• 使用Linux和Python更深入地研究您的Raspberry PI
• 熟悉一系列激动人心的库，包括OpenCV，并使用它们来支持您的项目

这本书是为谁写的

这本书是硬件爱好者的完美之选，他们希望使用树莓PI开发令人惊叹的项目。有一定的Linux、C和Python方面的知识和经验者优先，但一旦你准备好了，你就可以将你的树莓PI的创造性能力推向更远。

你将学到什么

• Set up your Raspberry Pi board and integrate it with powerful sensors
• 通过探索基于Linux的操作系统，了解如何操作您的Raspberry PI
• 深入了解您的Raspberry PI的GPIO，并通过Python、C和Shell脚本访问它们
• 发明一个超声波测距仪，用它来帮助视障或盲人
• 将温湿度传感器和光电池与你的树莓PI连接起来，记录数据
• 了解如何上传您在线收集的数据并定期收到违规通知
• 将OpenCV与你的Raspberry PI集成在一起，学习如何利用计算机视觉的力量掌握最新的图像处理技术

详细地说

微小的覆盆子PI设备包含了彻底改变我们对计算的理解的能力。它使用基于Linux的操作系统构建，是一个吸引探索和实验的工具，可以重新调整用途并与其他硬件和软件集成，以帮助创建一些真正令人兴奋的项目。

有了Raspberry PI传感器，您将了解如何从Raspberry PI中获得更多信息，并通过探索其基于Linux的操作系统来更深入地研究其工程设计，然后学习如何在其上使用Python和C开发和执行程序。然后，您将找到一系列项目，如创建自己的超声波传感器来监控大气，将您的Raspberry PI连接到互联网，以便您可以在线上传数据，并将其作为创建基于物联网的项目的发射台。了解如何使用简单的USB摄像头和创新的OpenCV库创建自己的图像传感器来执行运动检测。

目录表

第一章：遇见你的伙伴–覆盆子派
Chapter 2. Meeting the World of Electronics
第三章：使用超声波传感器测量距离
第四章：使用传感器监测大气
第5章.使用ADC将任意模拟传感器与覆盆子PI接口
第6章.在线上传数据-电子表格、手机和电子邮件
第7章：使用摄像头和OpenCV创建图像传感器