Node-Red And Raspberry Pi Pico W Getting Started

Learn Node-RED, Raspberry Pi Pico W, and MicroPython, and add these state-of-the-art tools to your technology toolkit.

What you’ll learn
Node-RED in IoT and event-driven systems.
Setting up an Ubuntu virtual machine as a Node-RED host.
Node-RED using Docker.
Docker persistence volumes.
Raspberry Pi Pico and MicroPython.
Using MQTT to enable communications between Node-RED and Raspberry Pi Pico W.
Node-RED security options.
Understanding the Node-RED editor, nodes, flows, creating and deploying.
Node-RED dashboard and widgets.
MQTT installation, testing, authentication.
Use various hardware components with the Raspberry Pi Pico W: switches, buttons, joystick, LCD, RGB strip, servo and DC motors, RFID, IR, sensors.
Node-RED and advanced nodes like RBE, switch, catch. Flow groups, secure credentials, environment variables.
Node-RED with external services and APIs: RESTful APIs, OpenWeatherMap, Google Sheet.
Node-RED with mySQL.

Requirements
Basic understanding of microcontrontollers.
Knowing how to wire a simple circuit on a breadboard.
Beginner-level experience with a programming language like Python, Javascript or C++ (all code in the course is explained in detail).
Having completed an introductory course on microcontrollers, such as Arduino Step by Step Getting Started, will help you make the most of this course.

Description
I’ve created this course to help you learn Node-RED and the Raspberry Pi Pico W. Whether you’re an engineering educator, a student, an industrial automation professional, a research scientist, or an electronics hobbyist, these two technologies are essential.Node-RED is an incredible open-source software development tool that allows you to create programs visually instead of writing them line by line.The Raspberry Pi Pico W is a remarkable Wi-Fi microcontroller board for embedded projects. It offers high performance at a low cost.This course teaches you how to set up a system that contains Node-RED and the Raspberry Pi Pico W .You’ll gain a solid understanding of Node-RED nodes, flows, and even MicroPython, enabling you to program the Pico W to interact with various peripherals. Additionally, this course covers essential topics such as MQTT, Ubuntu Linux virtual machines, Docker, and MySQL.Designed specifically for beginners with a basic knowledge of electronics, this course will guide you step-by-step through everything you need to know.Part 1: Node-RED for the absolute beginnerPart 1 is dedicated to Node-RED for the absolute beginner. In Part 1, you will learn about Node-RED and event-driven systems, how to install an instance using Docker, the basics of nodes and flows, the dashboard and MQTT. Part 2: Add Raspberry Pi Pico WIn the lectures of Part 2, you will learn how to use the Pico W as a Node-RED peripheral. You will learn to use MQTT to enable communications between the Pico and the Node-RED instance. You will also learn how to connect different hardware components to the Pico to implement simple circuits and use Node-RED (and its Dashboard) to control these components or view the data they produce. In Part 2, you will encounter motion, distance and water level sensors, motors, displays, relays, and joysticks, to mention a few.Part 3: additional Node-RED resourcesThese resources include lectures on essential Nodes, control structures, and ways to integrate your Node-RED flows with external services and APIs. You will create flows that allow Node-RED to communicate with services like OpenWeatherMap and Google Sheet to get, store, and retrieve data. You will also learn how to set up a local instance of the MySQL database for use by Node-RED for data storage and retrieval. I highly recommend taking a few minutes to watch the “About this course” lecture for more detailed information.I can’t wait to have you join us on this exciting journey!

Overview
Section 1: Introduction

Lecture 1 01.010 – What is this course about?

Lecture 2 01.015 – Course code repository

Lecture 3 01.020 – Hardware

Lecture 4 01.030 – Software

Section 2: Introduction to Node-RED

Lecture 5 02.000 – Introduction to this section

Lecture 6 02.010 – What is Node-RED?

Lecture 7 02.030 – Communication in Node-RED

Lecture 8 02.040 – Node-RED installation options

Section 3: Setup Node-RED with Docker

Lecture 9 02.050 – Setup Node-RED using Docker

Lecture 10 02.060 – Hardware Options and Considerations for Docker

Lecture 11 02.070 – Create an Ubuntu virtual machine

Lecture 12 02.080 – Install Docker on the server

Lecture 13 02.090 – Install Node-RED using Docker

Lecture 14 02.100 – Test your new Node-RED server

Lecture 15 02.110 – Setup auto-start with Docker Compose

Lecture 16 02.120 – Setup Node-RED for data persistence

Lecture 17 02.130 – Node-RED maintenance

Lecture 18 02.140 – Security:https

Lecture 19 02.150 – Security: authentication

Lecture 20 02.160 – Security: read-only users and default user

Section 4: Node-RED basics

Lecture 21 02.170 – Introduction to this section

Lecture 22 02.180 – The Node-RED editor

Lecture 23 02.190 – Nodes

Lecture 24 02.200 – Creating and deploying flows

Lecture 25 02.210 – Best Practices for Working with Flows

Lecture 26 02.220 – The “debug” node

Lecture 27 02.230 – The “function” node

Lecture 28 02.250 – The “complete” node

Lecture 29 02.260 – The “delay” node

Lecture 30 02.270 – The “trigger” node

Lecture 31 02.280 – Node-RED settings and configuration

Lecture 32 02.290 – Node-RED documentation and resources

Section 5: Node-RED dashboard

Lecture 33 02.300 – Introduction to this section

Lecture 34 02.310 – Text input and output

Lecture 35 02.330 – The gauge and slider

Lecture 36 02.340 – The switch

Lecture 37 02.350 – The dropdown

Lecture 38 02.360 – The form

Lecture 39 02.370 – The UI template

Section 6: Node-RED and MQTT

Lecture 40 02.380 – Introduction to this section

Lecture 41 02.390 – Installing MQTT Mosquitto on Ubuntu Server

Lecture 42 02.400 – Test the MQTT service on the command line

Lecture 43 02.410 – Authenticated sub and pub

Lecture 44 02.420 – Test MQTT in Node-RED

Lecture 45 02.430 – MQTT with Raspberry Pi Pico W

Lecture 46 02.440 – MQTT pub example

Lecture 47 02.450 – MQTT sub example

Lecture 48 02.460 – Node-RED with RPi Pico W MQTT tests

Section 7: Node-RED & Raspberry Pi Pico W – warming up experiments

Lecture 49 03.010 – Introduction to this section

Lecture 50 03.015 – Setup Thonny and Micropython for your Raspberry Pi Pico W

Lecture 51 03.020 – Frequently used patterns

Lecture 52 03.030 – Pattern 1: WiFi

Lecture 53 03.040 – Pattern 2: MQTT sub and pub

Lecture 54 03.050 – Pattern 3: Node-RED

Lecture 55 03.070 – Gauge and potentiometer

Lecture 56 03.080 – Button

Lecture 57 03.090 – Sample button with interrupts

Lecture 58 03.100 – LED control

Lecture 59 03.110 – LED control without polling (uses interrupt)

Lecture 60 03.120 – LED and button

Section 8: Inputs and outputs

Lecture 61 03.130 – Section introduction

Lecture 62 03.140 – Slide switch basics

Lecture 63 03.141 – Slide switch with Node-RED

Lecture 64 03.150 – Joystick basics

Lecture 65 03.151 – Joystick with Node-RED

Lecture 66 03.160 – Relay basics

Lecture 67 03.161 – Relay control with Node-RED

Lecture 68 03.170 – RFID basics

Lecture 69 03.171 – RFID with Node-RED

Lecture 70 03.180 – IR receiver and transmitter basics

Lecture 71 03.181 – IR receiver and transmitter with Node-RED

Section 9: Displays and LEDs

Lecture 72 03.190 – Introduction

Lecture 73 03.200 – I2C LCD basics

Lecture 74 03.201 – I2C LCD with Node-RED

Lecture 75 03.210 – 595 shift register Basics

Lecture 76 03.211 – 595 shift register Node-RED

Lecture 77 03.220 – WS2812 Strip RGB LED strip basics

Lecture 78 03.221 – WS2812 Strip RGB LED strip with Node-RED

Section 10: Motors

Lecture 79 03.230 – Introduction

Lecture 80 03.240 – Servo motor basics

Lecture 81 03.241 – Servo motor with Node-RED

Lecture 82 03.250 – DC motor basics

Lecture 83 03.251 – DC motor with Node-RED

Section 11: Sensors

Lecture 84 03.255 – Introduction

Lecture 85 03.257 – Temperature with DHT11 basics

Lecture 86 03.258 – Temperature with DHT11 with Node-RED

Lecture 87 03.260 – HC-SR04 ultrasonic sensor basics

Lecture 88 03.261 – HC-SR04 ultrasonic sensor with Node-RED

Lecture 89 03.270 – Motion sensor basics

Lecture 90 03.271 – Motion sensor with Node-RED

Lecture 91 03.280 – Water level sensor basics

Lecture 92 03.281 – Water level sensor with Node-RED

Lecture 93 03.290 – Thermistor basics

Lecture 94 03.300 – Analog light sensor basics

Section 12: More Node-RED nodes and features

Lecture 95 04.020 – Section introduction

Lecture 96 04.030 – The “catch” node

Lecture 97 04.040 – The “link out” and “link in” nodes

Lecture 98 04.050 – The “range” node

Lecture 99 04.060 – Node groups

Lecture 100 04.070 – The “switch” node

Lecture 101 04.080 – The JSON node

Lecture 102 04.090 – Credentials

Lecture 103 04.100 – The “RBE” (Report by Exception) node

Lecture 104 04.110 – Global environment variables

Lecture 105 04.120 – Local (flow) environment variables

Lecture 106 04.130 – Conditional and iteration nodes

Section 13: Node-RED integration with external services and APIs

Lecture 107 04.140 – Section introduction

Lecture 108 04.150 – Using RESTful APIs and web services

Lecture 109 04.160 – Get weather information from OpenWeatherMap.org

Lecture 110 04.170 – Datalogging to a Google Sheet

Lecture 111 04.180 – Reading data from a Google Sheet

Lecture 112 04.190a – Working with mySQL, introduction and demo

Lecture 113 04.190b – Working with mySQL, how to remove mySQL

Lecture 114 04.190c – Working with mySQL, setup mySQL on Ubuntu

Lecture 115 04.190d – Working with mySQL and Node-RED

Anyone interested in using Node-RED for personal or industry projects.,Anyone interested in the Raspberry Pi Pico W and how to use it with motors, sensors, LEDs, relays and other hardware.,Anyone interested in combining Node-RED with the Raspberry Pi Pico W to build home automation or industrial automation projects.,Learners interested in flow programming as an alternative to traditional text programming.,Anyone interested in using Node-RED with cloud RESTful APIs and databases

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