Simon Monk is one of the most widely read authors in maker electronics, and this recent book (about 4.3 stars) teaches the ESP32 through MicroPython together with basic electronics. MicroPython’s interactive prompt lets beginners type a line and see an LED or sensor respond immediately, which makes it a friendly route into the ESP32. It’s ideal for students, teachers and Python programmers new to hardware.

Every ESP32 runs FreeRTOS underneath, even in the Arduino framework, and understanding tasks, queues, semaphores and timers is what turns a sketch with a long loop() into responsive, reliable firmware. Warren Gay’s Elektor book (about 4.7 stars from a small number of ratings) teaches FreeRTOS on the ESP32 using the familiar Arduino environment. It’s the ideal bridge between Arduino sketches and ESP-IDF’s task-based style.

Neil Cameron’s follow-up (about 4.4 stars from 8 ratings) focuses on how ESP32 devices communicate: applying communication protocols and data formats in ESP32 projects. It’s a good second book once you’ve built a few projects and want to understand the options for moving data between devices and services, rather than just copying examples.

Part of the Arduino Short Reads series, Gary Hallberg’s book (about 4.3 stars from 21 ratings) is a concise introduction to adding wireless communication to Arduino projects with the ESP32. Short-format books like this are useful when you want one topic explained clearly in an afternoon rather than a 500-page reference.

This Kindle book (about 3.9 stars from 93 ratings) is a quick, low-cost introduction to MicroPython on ESP32 and ESP8266 boards. Reviews are more mixed than Simon Monk’s book, but its large reader base and short format make it a reasonable starting point if you just want to get MicroPython running and try basic projects before committing to a longer book.

If you’ve never programmed before, start here. Simon Monk’s Programming Arduino (the third edition has about 4.7 stars from 286 ratings, and earlier editions have thousands more) teaches the C/C++ basics behind Arduino sketches in a gentle, practical way. Everything carries over to the ESP32’s Arduino core, so once you’ve finished it, ESP32-specific books and our tutorials will make far more sense.

The highest-rated book in this guide (about 4.9 stars from 111 ratings). Brian Amos teaches FreeRTOS and real-time design properly, from task scheduling to synchronisation and debugging. Its examples use an STM32 board rather than an ESP32, but FreeRTOS concepts transfer directly to ESP-IDF, which is built on FreeRTOS. Note that ESP-IDF runs a dual-core variant with some differences, so check Espressif’s FreeRTOS documentation alongside it.

When your ESP32 projects become products, the challenges shift from “how do I read this sensor” to architecture, testing, power, updates and maintainability. Elecia White’s O’Reilly classic (the second edition has about 4.5 stars from 71 ratings) covers design patterns and practices for great embedded software, independent of any one chip. It’s the book that helps hobbyists think like professional firmware engineers.

Complete beginner

Programming Arduino → Electronics Projects with the ESP8266 and ESP32.

Python programmer

Programming ESP32 (MicroPython) by Simon Monk.

Arduino user moving to ESP-IDF

FreeRTOS for ESP32-Arduino → Developing IoT Projects with ESP32.

Aspiring firmware engineer

Hands-On RTOS + Making Embedded Systems.

Should I learn Arduino, MicroPython or ESP-IDF first?

Arduino is the fastest way to get results and has the largest library ecosystem. MicroPython is friendliest if you already know Python. ESP-IDF gives full control and is what professionals use for products. Many people start with Arduino and move to ESP-IDF once they need more control.

Are older ESP32 books still useful?

The concepts are, but code examples may need updating for current ESP-IDF and Arduino core versions, and older books won’t cover newer chips like the S3, C6 or P4. Use books for understanding and the official documentation for exact APIs.

What hardware should I buy to follow along?

A standard ESP32 DevKit or an ESP32-S3 board, a breadboard, jumper wires and a few sensors cover almost every book. See our ESP32 starter kits guide for bundles.