This article details the various ESP32 series (Classic, S2, S3, C2, C3, C5, C6, H2, H4, and P4), outlining their key features, differences in CPU architecture, wireless capabilities, memory size, and intended applications. It explains the naming conventions and provides a comprehensive overview to help users choose the right ESP32 for their projects.
| **ESP32 Series** | **Key Features** | **Primary Use Cases** |
|---|---|---|
| **ESP32 (Classic)** | Dual-core, Wi-Fi, Bluetooth, BLE, DAC | Smart home, audio streaming, versatile projects |
| **ESP32-S2** | Single-core, Wi-Fi, USB-OTG, larger ADC | USB gadgets, low-cost IoT, cameras |
| **ESP32-S3** | Dual-core, Wi-Fi, BLE, AI extensions | Performance-focused IoT, AI/ML applications |
| **ESP32-C2** | Single-core RISC-V, Wi-Fi, BLE, low cost | High-volume, low-traffic devices (bulbs, sensors) |
| **ESP32-C3** | Single-core RISC-V, Wi-Fi, BLE, affordable | Battery-powered sensors, basic Arduino replacement |
| **ESP32-C5/C6** | RISC-V, Wi-Fi (C5: Dual-band), BLE, Thread/Zigbee | Advanced connectivity, mesh networks |
| **ESP32-H2/H4** | No Wi-Fi, BLE, Thread/Zigbee, low power | Ultra-low power applications, mesh networks |
| **ESP32-P4** | Ethernet, Dual-core RISC-V, H.264 encoder | Video processing, HMIs, industrial applications |
| **ESP32 Series** | **Key Features** | **Primary Use Cases** |
|---|---|---|
| **ESP32 (Classic)** | Dual-core, Wi-Fi, Bluetooth, BLE, DAC | Smart home, audio streaming, versatile projects |
| **ESP32-S2** | Single-core, Wi-Fi, USB-OTG, larger ADC | USB gadgets, low-cost IoT, cameras |
| **ESP32-S3** | Dual-core, Wi-Fi, BLE, AI extensions | Performance-focused IoT, AI/ML applications |
| **ESP32-C2** | Single-core RISC-V, Wi-Fi, BLE, low cost | High-volume, low-traffic devices (bulbs, sensors) |
| **ESP32-C3** | Single-core RISC-V, Wi-Fi, BLE, affordable | Battery-powered sensors, basic Arduino replacement |
| **ESP32-C5/C6** | RISC-V, Wi-Fi (C5: Dual-band), BLE, Thread/Zigbee | Advanced connectivity, mesh networks |
| **ESP32-H2/H4** | No Wi-Fi, BLE, Thread/Zigbee, low power | Ultra-low power applications, mesh networks |
| **ESP32-P4** | Ethernet, Dual-core RISC-V, H.264 encoder | Video processing, HMIs, industrial applications |
An overview of the M5Stack Cardputer, a compact, card-sized portable computer with an ESP32-S3 chip, keyboard, screen, and various peripherals. It's aimed at engineers, developers, and IoT enthusiasts, with support for Python, Arduino, and even a Forth interpreter.
The Cardputer v1.1 is a high-performance card computer for engineers featuring the StampS3A microcontroller, 56-key keyboard, 1.14-inch TFT screen, and various connectivity options for prototyping, industrial control, and IoT projects.
Waveshare has released an ESP32-S3 development kit featuring a 1.85-inch round touchscreen, Wi-Fi, Bluetooth, microphone, and optional battery/speaker. It's aimed at audio-focused projects like smart speakers and HMIs.
The T-Deck is a compact device with a 2.8-inch IPS LCD touch screen, integrated keyboard, trackball, microphone, and speaker, running on an ESP32-S3 dual-core processor. It supports various frequencies and includes a GPS module and battery in its Plus variant. It features a U.FL/IPEX antenna connector for LoRa and can be flashed using Espressif's firmware download mode.
The repository for LilyGO T-Wristband and T-Glass provides information on hardware specifications, examples, quick start guides, and installation instructions for both PlatformIO and Arduino IDE. It includes details on different versions of T-Glass, hardware specifications, and dependencies on lvgl v8.4.x.
The ESP32-S3 IR Thermal Imaging Camera Module is a wireless IR thermal imaging camera based on the ESP32-S3-WROOM-1 chip, featuring 80x62 array pixels and supporting 45°/90° FOV. It integrates a recharge and discharge circuit with onboard Lithium battery header for flexible power supply.
Waveshare has launched an ESP32-S3-based thermal imaging camera module with 80x62 resolution, offering both 45° and 90° wide angle versions. The module includes a USB-C port, expansion pads, and supports WiFi and Bluetooth LE.
SenseCraft AI is a free, web-based platform designed for beginners, focusing on a no-code approach and application-orientation to simplify and accelerate the creation of AI applications.
The ESP32-AIVoice-Z01 is an affordable ESP32-S3-powered AI voice kit designed for creating voice-controlled AI applications. It features Wi-Fi and Bluetooth connectivity, a dual digital microphone array, and supports wake word detection, noise reduction, and echo cancellation.
