ESP32 Unleashed – Tech Explorations

In this course, you will learn how to make an IoT gadget.

If you want to download and compile the PlatformIO project archive, please watch this video first.

The complete PlatformIO project archive.

Before you download and compile the project archive, watch this video.

Git repository for Arduino version of the project as well as the final PlatformIO version

Wiring schematic (PDF)

The KiCad project for the ESP32 breakout board

Course Content

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01 – Introduction 5 Lectures Sample Section

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01.10 What is this course about?

01.20 Software you will need

01.30 Hardware you will need

01.40 How to get the most out of this course

01.50 Why use PlatformIO?

02 – Walkthrough the project 6 Lectures Sample Section

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02.07 The ESP32 board breakout

02.10 A demo of the gadget

02.20 Walkthrough the multi-file Arduino project

02.30 Challenges

02.40 The conversion plan

04 – Setup PlatformIO and MS Code 6 Lectures

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04.10 Install MS Code (Mac OS)

04.12 Install MS Code (Windows 10)

04.60a MS Code essentials

04.60b MS Code essentials, Editor basics

04.60c MS Code essentials, PlatformIO project organisation

04.60d MS Code essentials, Other editor features and Git integration

05 – A C++ primer for Arduino makers who want to use Platform IO 11 Lectures

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05.10 What is this section about

05.20 Pointers, an introduction

05.22a A simple example with pointers

05.22b Pointers, Change a variable via pointer

05.22c Pointers as function parameters

05.40 Splitting a program into small files, an introduction

05.42 Splitting a program into small files using the Arduino framework

05.44a An example C++ multifile project

05.44b Debug and compile the example multifile project

05.50 Namespaces, an introduction

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06 – Prototype 1: Getting started with the project 5 Lectures

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06.10 Objective: how to setup a new project

06.20a Setup project

06.20b Add code to main.cpp

06.40 Update information

07 – Prototype 2: Switch to multiple files, add version control 7 Lectures

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07.10 Objective: why multiple files and Git

07.20 Create the Git repository

07.25 Dependency management

07.30a Split main.cpp into multiple files

07.30b Replace global variables with function parameters

07.50 How to use Git version control

08 – Prototype 3: TFT display 6 Lectures

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08.10 Objective: activate the display

08.20 How to use the TFT display

08.30a Execute part a

08.30b Execute part b

08.50 Merge tft_setup branch to master

09 – Prototype 4: SPIFFS and fonts 6 Lectures

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09.10 Objective: How to use various fonts

09.20 How to create a custom font

09.30 Upload the fonts to SPIFFS

09.40 Apply the custom fonts in the app

09.60 Merge fonts branch to master

10 – Prototype 5: Images 5 Lectures

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10.10 Objective: displaying graphics in the TFT

10.20 Upload the image file to SPIFFS

10.30 Edit the application code

10.50 Merge working and master branches

11 – Prototype 6: Task scheduler 5 Lectures

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11.10 Objective: why use a task scheduler?

11.20 How to use the task scheduler

11.50 Merge working and master branches

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