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[eBook Updated] Learn ESP32 with Arduino IDE eBook – Version 3.1

Hi. We hope you’re doing well.

We just want to let you know that we just released a new edition of the ESP32 eBook:

  • Learn ESP32 with Arduino IDE (version 3.1)
Learn ESP32 with Arduino IDE eBook 3rd edition cover image

The new edition of the eBook is now available to all previous customers. Here’s how you can download the updated eBook:

  • Login here: https://rntlab.com/courses/
  • Click the Courses tab and select the “Learn ESP32 with Arduino IDE – 3rd Edition” eBook
  • Press the yellow button “DOWNLOAD EBOOK VERSION 3.1 »”

What’s New?

We’re now using the latest version of the maintained forks of the ESPAsyncWebServer and AsyncTCP libraries by ESP32Async. These new forks are compatible with the latest version of the ESP32 Arduino Core. This solves the issue related to this specific error.

You must install these new libraries mentioned below, but all code remains the same.

  • [OLD] ESPAsyncWebServer by me-no-dev -> [NEW] ESPAsyncWebServer by ESP32Async
  • [OLD] AsyncTCP by me-no-dev -> [NEW] AsyncTCP by ESP32Async

This impacts the following Units:

  • 6.7 – Asynchronous Web Server: Temperature and Humidity Readings
  • 6.8 – Asynchronous Web Server: Control Outputs
  • 6.9 – Build an ESP32 Web Server using Files from Filesystem (LittleFS)
  • 9.3 – MQTT Project: MQTT Client ESP32#1
  • 9.4 – MQTT Project: MQTT Client ESP32#2
  • 9.6 – Connect the ESP32 to Node-RED using MQTT
  • 10.5 – ESP-NOW Web Server Sensor Dashboard (ESP-NOW + Wi-Fi)

Thanks for your support.

Rui Santos and Sara Santos

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