Raspberry Pi Retail Applications : Transform Your Business with a Low-Cost Single-Board Computer

Increase productivity and lower the operating cost of your business by automating crucial business processes with the Raspberry Pi. After completing this book's projects you'll be able to determine the best way to quickly apply automation to existing systems and processes in your retail outlet with Raspberry Pi. You’ll start by composing ideas to transform your business, and then gain practical, accessible methods for executing them. Find real-world ways to implement tech solutions to accelerate the growth of your business, and navigate the ever-changing landscape of retail automation with this book. Then see what automation can and cannot do at the current level of technical progress for retail businesses. By comparing the efficiency of machines with manual labor, you’ll be able to assess how open-source hardware performs in lowering operating costs and identify business components that can be improved with automation. Raspberry Pi Retail Applications features projects that are easy to dive into and will function readily in your day-to-day business right now. What You'll Learn Identify business components that can be improved with automation Combine the existing array of Raspberry Pi hardware options to build customized solutions Implement tech ideas in a practical retail environment to reduce cost and streamline your business processes Who This Book Is For Small and medium business owners or technology officers looking for solutions to increase efficiency, lower operating costs, and drive up profits for their retail companies with automation. Familiarity with open-source hardware and programming skills is helpful, but not necessary. Table of Contents About the Authors About the Technical Reviewer Chapter 1: Understanding the Applications of Automation in Retail What Is Industry 4.0? What Is the Internet of Things (IoT)? Which Technologies Make the Internet of Things More Accessible in the Retail Industry? Amazon Go Grocery Store: Ambitiously Implementing Automation Why Choose a $35 Single-Board Computer to Automate a Retail Business? Identify the Targets for Business Automation To Automate or Not to Automate? Choosing Tools Choosing Technologies Chapter 2: People Counting Problem Overview The Business Impact Related Knowledge Computer Vision and Its Applications Approaches to Object Detection Implementing Object Detection Install a 64-bit Raspberry Pi OS on Raspberry Pi 4 Using the Raspberry Pi Imager Install the Necessary Packages Execute People Counting Code with a Pretrained MobileNet SSD Model Train and Optimize Your Own Neural Network Model Pro Tips Summary Chapter 3: Vending Machine Problem Overview Business Impact Related Knowledge Decide on PCB Manufacturer Beforehand Determine the Interfaces You Need Look at Third-Party Open Source Designs for Your elements Look at How Other People Have Solved the Same Problem Decide on Your Form Factor Determine the Location of Connectors and Headers Take Special Care of Heatsinks and Cooling Elements Implementation Implement Servo Control with Raspberry Pi 4 Implement a Simple Web Server with Flask Add a PayPal Payment Processor Pro Tips Summary Chapter 4: Interactive Touchscreen Directory Problem Overview Business Impact Related Knowledge Implementation Basic Tkinter Usage Build an Interface with the PAGE GUI Generator Install PAGE GUI Generator Create the UI with Tkinter Widgets in PAGE Write Program Logic in Python Pro Tips Summary Chapter 5: Voice Interaction Drive-through Self-service Station Problem Overview Business Impact Related Knowledge How Does Deep Learning Work with Speech Recognition? Online Speech-Recognition Service Providers Offline Speech Recognition Frameworks Implementation Use the Pretrained Picovoice Model for Lights Control Train a New Speech-to-Intent Model for Ordering Fast Food Combine the New Speech-to-Intent Model with the Text-To-Speech Engine Pro Tips Summary Chapter 6: Employee Attendance Management System Problem Overview Business Impact Related Knowledge The Fingerprint Sensor The PIR Motion Sensor The Software for Interfacing with the Sensor and Storing the Data Implementation Wire the Modules Install the Software and Register the Fingerprints Combining the Motion Sensor with the Fingerprint Sensor Pro Tips Using a SQL Database What Is SQL? SQL vs. Excel What Is SQL in the Cloud? A Dedicated Raspberry Pi 4 Hat with a Fingerprint Sensor Summary Chapter 7: Advertisement Display Problem Overview Business Impact Related Knowledge What Is (Docker) Container? Container Orchestration Balena.io for Container Orchestration Implementation Install BalenaOS Deploy Container with Balena Dash to Your Device Set Up the Dashboard to Display Photos/Videos Pro Tips Summary Chapter 8: Cluster for a Web Application Hosting Problem Overview Business Impact Related Knowledge Main Benefits of Running a Cluster with Kubernetes Deploying Kubernetes on the Edge with MicroK8s Implementation Install Ubuntu Server 20.04 on Two Raspberry Pi 4s Install MicroK8s on Two Raspberry Pi 4s Running Ubuntu Server 20.04 What Version of Kubernetes Is Being Installed? Discovering MicroK8s Deploy a Web Application to a Cluster Persistent Volume and Persistent Volume Claim Secrets Postgres Flask Ingress Vue Scale and Add Nodes Pro Tips Summary Chapter 9: Summary and Tips on Practical Implementation Successful Implementations Raspberry Pi Vending Machine Interactive Touchscreen Directory for a Smart City Raspberry Pi as a Retail Product Display A Multimedia Toolkit for Museums, Visitor Centers, and More Running on the Raspberry Pi Pendulum Wave Machine: A Museum Exhibit Raspberry Pi 4 Cluster for Hosting a Raspberry Pi 4 Website Technical Know-Hows Use Virtual Network Computing (VNC) to Remotely Control Everything You Want to Execute on the Raspberry Pi IoT Integration Platform for the People-Counting Project Microphone Options for Speech Recognition Cluster Server Carrier Board Retail Business Digitalization Index