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ESP32-S2

ESP32-S2

Espressif Systems
WiFi 802.11b/g/n Transceiver Module 2.4GHz Antenna Not Included Surface Mount
Active3,329 in stock
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Overview

The ESP32-S2 is a single-core Wi-Fi SoC featuring an Xtensa 32-bit LX7 microprocessor with a maximum clock frequency of 240 MHz. It integrates 2.4 GHz Wi-Fi (802.11 b/g/n) for connectivity. This module is designed for surface-mount applications and provides a comprehensive solution for IoT devices requiring robust wireless communication and security features.

Why Choose This Part

The ESP32-S2 offers a single-core LX7 processor with excellent power efficiency, supporting various low-power modes down to 22 uA in standby. Its extensive set of 43 programmable GPIOs, along with a DMA controller, provides flexible peripheral integration. Built-in security features like secure boot, flash encryption, and cryptographic hardware acceleration enhance application robustness.

Applications

Smart Home Devices
Enabling connectivity for smart lighting, thermostats, and security systems due to its integrated Wi-Fi and low-power modes.
Industrial IoT Nodes
Providing secure and reliable wireless communication for sensor networks and control systems in industrial environments, leveraging its cryptographic hardware acceleration.
Wearable Electronics
Suitable for low-power, connected wearables that benefit from its deep sleep modes and compact form factor.
Human Machine Interfaces (HMI)
Supporting interactive displays and control panels with its rich set of GPIOs and connectivity options.
USB-to-Wi-Fi Converters
Utilizing its full-speed USB OTG interface to create bridges between USB devices and Wi-Fi networks.
Security and Authentication Devices
Its secure boot, flash encryption, and cryptographic acceleration make it ideal for secure access control and authentication applications.

Key Specifications

Protocol 802.11b/g/n
Data Rate 150Mbps
Frequency 2.4GHz
Memory Size 128kB ROM, 320kB SRAM
Sensitivity -97dBm
Antenna Type Antenna Not Included
Mounting Type Surface Mount
Package / Case 56-VFQFN Exposed Pad
Power - Output 19.5dBm
Voltage - Supply 2.8V ~ 3.6V
Serial Interfaces ADC, I2C, I2S, SPI, PWM, UART
RF Family/Standard WiFi
Utilized IC / Part ESP32-S2
Current - Receiving 63mA ~ 68mA
Operating Temperature -40degC ~ 125degC
Current - Transmitting 160mA ~ 310mA

Getting Started

To get started with the ESP32-S2, use Espressif's ESP-IDF (IoT Development Framework) which supports various development environments. The official development boards, such as the ESP32-S2-Saola-1 or ESP32-S2-Kaluga-1, provide easy access to all GPIOs and peripherals for rapid prototyping. Consider using PlatformIO or Arduino IDE for simplified development.

Dev Boards

Development boards and breakout modules featuring the ESP32-S2 or compatible chips — ready to use for prototyping.

ESP32-S2-DEVKITC-1-N8R2 Espressif Systems
The ESP32-S2-DEVKITC-1-N8R2 Evaluation Board by Espressif Systems is a development platform designed for wireless applic
Digi-Key Mouser 402 in stock
ESP32-S2-DEVKITC-1U-N8R2 Espressif Systems
The Espressif Systems ESP32-S2-DEVKITC-1U-N8R2 Evaluation Board is a versatile development tool designed for wireless ap
Digi-Key Mouser 102 in stock
Adafruit ESP32-S2 Feather Adafruit Industries LLC
ESP32-S2 ESP32-S 802.11 b/g/n (WiFi/WLAN/Wi-Fi 4) Transceiver 2.4GHz Evaluation Board
Digi-Key 150 in stock
ESP32-S2-KALUGA-1 Espressif Systems
The Espressif Systems ESP32-S2-KALUGA-1 Evaluation Board is a sophisticated development platform designed for engineers
Digi-Key 65 in stock
SparkFun ESP32-S2 Thing Plus SparkFun Electronics
ESP32-S2 WROOM ESP32-S 802.11 b/g/n (WiFi/WLAN/Wi-Fi 4) Transceiver 2.4GHz Evaluation Board
Digi-Key 41 in stock
Part of ESP32 family » ESP32-S2

ESP32-S2 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Interfaces Temp Range Stock
ESP32-S2 (this part) ADC, I2C, I2S, SPI.. -40degC ~ 125degC 3,329
ESP32-S2FN4R2 ADC, GPIO, I2C, I2.. -40degC ~ 85degC 5,153
Also available as: ESP32-S2-MINI-2U-N4

Also Consider

ESP32-WROOM-32U Espressif Systems - This module features the dual-core ESP32 for applications requiring higher processing power or concurrent tasks, and includes an external antenna connector.
ESP32-C3-WROOM-02 Espressif Systems - Offers an energy-efficient RISC-V core with Wi-Fi and Bluetooth LE, suitable for cost-sensitive IoT applications.
ESP32-S3-WROOM-1-N16R8 Espressif Systems - Provides a dual-core LX7 processor, Wi-Fi 6, and Bluetooth LE 5, with increased memory and AI acceleration for more demanding applications.