Learn ESP Tutorials from basics to advanced: WiFi, BLE, sensors, ESP32 projects, troubleshooting, FreeRTOS, ESP32-CAM, storage, and more. Perfect for beginners.
If you want a single place that explains everything about the ESP32—how it works, how to program it, how to connect sensors, how to build Wi-Fi or Bluetooth projects—then you’ve landed on the right page.
This ESP Tutorials pillar page is designed like a roadmap. No complicated jargon. No unnecessary theory. Just clear explanations, practical examples, and a friendly tone.
Whether you’re a hobbyist, student, IoT beginner, or someone who loves tinkering with electronics, this guide will walk you through every core topic of the ESP32 ecosystem.
Let’s take it step-by-step.
1. ESP32 Basics
Before diving into big projects, you need a solid foundation. These beginner ESP tutorials help you understand what the ESP32 actually is, how its pins work, and how to program it.
What is ESP32? Beginner Guide
The ESP32 is a powerful, low-cost microcontroller that comes with built-in Wi-Fi, Bluetooth, and tons of peripherals like ADC, DAC, PWM, timers, touch sensors, hall sensor, and more. If Arduino boards are the “bicycles” of electronics, ESP32 feels like a motorcycle—still lightweight, but much more capable.
Learn here: What is ESP32 and why it’s widely used in IoT projects.
ESP32 Pinout Explained
The ESP32 pinout looks confusing at first, but once you know which pins handle GPIO, ADC, DAC, touch, PWM, UART, SPI, and I2C, it gets easier. A dedicated pinout tutorial helps you avoid mistakes like using strapping pins or powering sensors incorrectly.
Installing ESP32 in Arduino IDE
This is the first tutorial almost everyone follows. You install the ESP32 board manager URL, choose your board, and you’re ready to upload your first sketch.
How to Install ESP32 in Arduino IDE
Core ESP Tutorials for Basics
- ESP32 GPIO Tutorial (Digital input/output basics)
- ESP32 ADC Tutorial (Reading analog sensors)
- ESP32 DAC Tutorial (Generate analog output)
- ESP32 PWM Tutorial (Control motors, LEDs, servos)
- ESP32 Hall Sensor Tutorial (Magnetic sensor built-in)
- ESP32 Touch Sensor Tutorial (Touch-sensitive GPIO!)
- ESP32 Temperature Sensor (Internal sensor basics)
- ESP32 Deep Sleep vs Light Sleep (Save battery in IoT)
- ESP32 Brownout Explained (Fix voltage drop issues)
If you’re just starting out, these ESP tutorials alone will give you 70% of the knowledge needed for most projects.
2. ESP32 Wi-Fi & Networking (The Fun Part Begins)
One of the biggest reasons people love the ESP32 is its Wi-Fi capability. With the right ESP tutorials, you can turn the board into a server, client, data logger, MQTT node, IoT device, home automation hub, or even a mini cloud.
ESP32 WiFi Scan Tutorial
See nearby Wi-Fi networks and their signal strength.
ESP32 Connect to Router
Connect the ESP32 to your home network and control it from your phone or laptop.
ESP32 Static IP
Assigning a static IP helps you access your ESP32 reliably—great for automation.
Popular Networking Tutorials
- ESP32 Web Server
- ESP32 WebSocket
- ESP32 WiFiManager
- ESP32 HTTP GET
- ESP32 MQTT Tutorial
- ESP32 Blynk Tutorial
- ESP32 Firebase Tutorial
- ESP32 Telegram Bot
These ESP tutorials make you fully capable of creating real IoT applications.
3. ESP32 Bluetooth & BLE (Low-Power Wireless Control)
The ESP32 supports both Classic Bluetooth and BLE (Bluetooth Low Energy). BLE is great for low-power sensors, mobile apps, and short-range communication.
Core BLE Tutorials
- ESP32 Bluetooth Intro
- ESP32 BLE Server
- ESP32 BLE Client
- ESP32 BLE Notifications
- ESP32 Send Data over BLE
- ESP32 BLE App Control
With these BLE tutorials, you can build fitness trackers, wireless sensors, BLE remote controls, or even create your own smartphone-controlled gadget.
4. ESP32 With Sensors (Hardware Interfacing)
This is the largest and most practical part of all ESP tutorials. Here you learn how to connect sensors, modules, and components to build real-world projects.
Popular Sensor Tutorials
- ESP32 + DHT11
- ESP32 + DHT22
- ESP32 + MQ135
- ESP32 + BMP280
- ESP32 + DS18B20
- ESP32 + MPU6050
- ESP32 + RFID RC522
- ESP32 + Fingerprint Sensor
- ESP32 + GPS
- ESP32 + Soil Moisture
- ESP32 + Relay Module
If you want to measure temperature, humidity, gases, orientation, GPS location, NFC tags, soil moisture, or control appliances, this is where you start.
5. ESP32 Displays (Show Your Data Professionally)
Once your ESP32 reads sensors or handles Wi-Fi tasks, you often want to display data in a neat format.
Display Tutorials
- ESP32 + OLED 0.96″
- ESP32 + OLED 1.3″
- ESP32 + TFT Display
- ESP32 + LCD 16×2
- ESP32 + LED Matrix
These ESP tutorials help make your project look polished and user-friendly.
6. ESP32 Storage & Filesystems
Most real IoT devices need storage—for data logging, serving web files, or saving user settings.
Storage Tutorials
- ESP32 SPIFFS
- ESP32 LittleFS
- ESP32 SD Card
- ESP32 Logging Data
With these tutorials, you can store HTML pages, logs, sensor values, Wi-Fi credentials, or even small databases.
7. ESP32 FreeRTOS & Multitasking
The ESP32 runs a dual-core processor and a built-in real-time OS called FreeRTOS.
These ESP tutorials teach you how to manage multiple tasks:
FreeRTOS Tutorials
- ESP32 Timers
- ESP32 Tasks
- ESP32 Queues
- ESP32 Mutex
- ESP32 Watchdog Timer
This is where you learn multitasking for advanced projects like data acquisition, cloud communication, Bluetooth + Wi-Fi systems, etc.
8. ESP32 Projects (Real-World, Practical Builds)
This category helps you learn by doing. Every project uses ESP tutorials from above, combined together into one working system.
Beginner to Advanced Projects
- ESP32 IoT Weather Station
- ESP32 Home Automation
- ESP32 Air Quality Monitor
- ESP32 GPS Tracker
- ESP32 Smart Door Lock
- ESP32 RFID Attendance System
If you follow these, you’ll have an IoT portfolio worth showing anywhere.
9. ESP32-CAM (Camera-Based ESP Tutorials)
The ESP32-CAM board lets you capture images, stream videos, detect faces, and even send photos to Telegram.
ESP32-CAM Tutorials
- ESP32-CAM Beginner Guide
- ESP32-CAM Streaming
- ESP32-CAM Face Detection
- ESP32-CAM Save to SD
- ESP32-CAM Telegram Alerts
Even with its tiny size, ESP32-CAM is incredibly powerful.
10. ESP32 Troubleshooting (Fix All Common Errors)
Every beginner runs into issues. These ESP tutorials help you solve them quickly.
Troubleshooting Tutorials
- ESP32 Not Connecting to WiFi
- ESP32 Upload Failed
- ESP32 Guru Meditation – Fix
- ESP32 Brownout Detected
- ESP32 I2C Not Working
- JTAG Debugger ESP32
If something goes wrong, this section is your emergency kit.
11. ESP32 Advanced (For Power Users)
Once you know the basics and have built some projects, move here.
Advanced Tutorials
- ESP32 Dual-Core Explained
- ESP32 Task on Core 0/1
- ESP32 Secure Boot
- ESP32 OTA Update
- ESP32 ESP-IDF vs Arduino
These ESP tutorials prepare you for professional IoT development.
Real Time ESP 32 Problem
To understand the ESP board even better, this external guide provides more practical examples and step-by-step explanations: ESP32-S2
Frequently Asked ESP Tutorials Questions (FAQ)
1. Is ESP32 good for beginners?
Yes. Despite its powerful features, the ESP32 is beginner-friendly—especially when you follow step-by-step ESP tutorials.
2. Do I need C or C++ knowledge to follow ESP tutorials?
Basic familiarity helps, but even if you’re new, the code examples are simple enough to understand.
3. What’s the difference between ESP8266 and ESP32?
ESP32 has more GPIOs, more memory, Bluetooth + BLE, dual core CPU, better peripherals, and improved performance.
4. How do I decide which ESP32 board to buy?
The ESP32 DevKit or ESP32-WROOM boards are perfect for beginners.
5. Does ESP32 work with Arduino IDE?
Yes. Most ESP tutorials use Arduino IDE because it’s simple and beginner-friendly.
6. What is the best way to learn ESP32 fast?
Follow a structured ESP tutorial roadmap like this pillar page—starting with basics, then Wi-Fi, sensors, projects, and troubleshooting.
7. Does ESP32 support Python?
Yes. MicroPython works well if you prefer Python over C++.
8. Can ESP32 run two programs at once?
Thanks to FreeRTOS and dual cores, it can run multiple tasks simultaneously.
9. Is ESP32 good for IoT projects?
Absolutely. Wi-Fi, BLE, sensors, and low-cost hardware make ESP32 perfect for IoT.
10. Why does ESP32 show brownout error?
Brownout happens when voltage drops below required levels. A stable 5V power source usually fixes it.
11. Can ESP32 connect to Firebase or MQTT?
Yes. There are ESP tutorials for ESP32 Firebase, HTTP, MQTT, and more.
12. Can ESP32 be used for home automation?
Yes! With relay modules, Wi-Fi, sensors, and mobile control, ESP32 is ideal for smart home projects.
Mr. Raj Kumar is a highly experienced Technical Content Engineer with 7 years of dedicated expertise in the intricate field of embedded systems. At Embedded Prep, Raj is at the forefront of creating and curating high-quality technical content designed to educate and empower aspiring and seasoned professionals in the embedded domain.
Throughout his career, Raj has honed a unique skill set that bridges the gap between deep technical understanding and effective communication. His work encompasses a wide range of educational materials, including in-depth tutorials, practical guides, course modules, and insightful articles focused on embedded hardware and software solutions. He possesses a strong grasp of embedded architectures, microcontrollers, real-time operating systems (RTOS), firmware development, and various communication protocols relevant to the embedded industry.
Raj is adept at collaborating closely with subject matter experts, engineers, and instructional designers to ensure the accuracy, completeness, and pedagogical effectiveness of the content. His meticulous attention to detail and commitment to clarity are instrumental in transforming complex embedded concepts into easily digestible and engaging learning experiences. At Embedded Prep, he plays a crucial role in building a robust knowledge base that helps learners master the complexities of embedded technologies.
