ESP32 Boards/ESP32-S2

ESP32-S2 Development Boards

26 boards · Single-core Xtensa · 240 MHz

The ESP32-S2 is a single-core Wi-Fi SoC designed for secure IoT applications. It adds advanced hardware security features like cryptographic acceleration, secure boot, and flash encryption, making it ideal for connected appliances, smart locks, and enterprise IoT.

While it does not support Bluetooth, it includes native USB OTG, making it great for USB devices or web USB interfaces. Developers use the ESP-IDF or Arduino Core with full support.

Compare all ESP32 chips → Datasheet ↗
Single-core
Xtensa cores
240 MHz
Max clock
320 KB
SRAM
26
Boards

Specifications

Datasheet ↗

Compute

CPUXtensa single-core 32-bit LX7
Clock240 MHz
SRAM320 KB
Operating temp-40 to 85 °C

Connectivity

Wi-Fi802.11 b/g/n 2.4 GHz
BluetoothNone
BLENone

Peripherals

ADCTwo 13-bit, 20 Channels
DACTwo 8-bit Channels
SPI2
I²C2
I²S1
RMT4 Channels
Touch14
UART2
PWM8

Strapping & reserved pins

29 pins to know

Some pins are reserved for boot strapping, JTAG, USB and flash - misusing them can cause boot failures or programming issues. The category colours below match the table.

Strapping boot mode & flash voltage JTAG low-level debugging USB native USB Serial/JTAG Flash / SPI flash & PSRAM lines PSRAM memory line only on PSRAM-equipped modules UART debug & firmware upload
PinLabelWhy avoidCategory
IO0GPIO0Must be pulled high for normal boot; pulling low at reset enters bootloader (download mode). Also serves as SPI flash data-in (SPID) line when using external flash memory.Strapping
IO9FSPIHDIO MUX pin of the general-purpose SPI2 (FSPI) bus, not of the in-package flash - that sits on GPIO26-32. The datasheet does not restrict it, so it is only taken if your board wires flash, an SD card or a display to FSPI.Other
IO10FSPICS0IO MUX pin of the general-purpose SPI2 (FSPI) bus, not of the in-package flash - that sits on GPIO26-32. The datasheet does not restrict it, so it is only taken if your board wires flash, an SD card or a display to FSPI.Other
IO11FSPIDIO MUX pin of the general-purpose SPI2 (FSPI) bus, not of the in-package flash - that sits on GPIO26-32. The datasheet does not restrict it, so it is only taken if your board wires flash, an SD card or a display to FSPI.Other
IO12FSPICLKIO MUX pin of the general-purpose SPI2 (FSPI) bus, not of the in-package flash - that sits on GPIO26-32. The datasheet does not restrict it, so it is only taken if your board wires flash, an SD card or a display to FSPI.Other
IO13FSPIQIO MUX pin of the general-purpose SPI2 (FSPI) bus, not of the in-package flash - that sits on GPIO26-32. The datasheet does not restrict it, so it is only taken if your board wires flash, an SD card or a display to FSPI.Other

ESP32-S2 modules & revisions

12 variants
ESP32-S2-MINI-2 moduleESP32-S2-MINI-2 active MINI ESP32-S2-MINI-2 is a powerful, generic Wi-Fi MCU module integrating ESP32-S2 ECO1... ESP32-S2-MINI-2U moduleESP32-S2-MINI-2U active MINI ESP32-S2-MINI-2U is a powerful, generic Wi-Fi MCU module integrating ESP32-S2 ECO1... ESP32-S2-SOLO-2 moduleESP32-S2-SOLO-2 active SOLO ESP32-S2-SOLO-2 is a powerful, generic Wi-Fi MCU module integrating ESP32-S2 ECO1... ESP32-S2-SOLO-2U moduleESP32-S2-SOLO-2U active SOLO ESP32-S2-SOLO-2U is a powerful, generic Wi-Fi MCU module integrating ESP32-S2 ECO1... ESP32-S2-MINI-1 moduleESP32-S2-MINI-1 nrnd MINI ESP32-S2-MINI-1 is a powerful, generic Wi-Fi MCU module with a rich set of... ESP32-S2-MINI-1U moduleESP32-S2-MINI-1U nrnd MINI ESP32-S2-MINI-1U is a powerful, generic Wi-Fi MCU module with a rich set of... ESP32-S2-SOLO moduleESP32-S2-SOLO nrnd SOLO ESP32-S2-SOLO is a powerful, generic Wi-Fi MCU module with a rich set of peripherals... ESP32-S2-SOLO-U moduleESP32-S2-SOLO-U eol SOLO ESP32-S2-SOLO-U is a powerful, generic Wi-Fi MCU module with a rich set of... ESP32-S2-WROVER moduleESP32-S2-WROVER eol WROVER ESP32-S2-WROVER integrates ESP32-S2. A powerful, generic Wi-Fi MCU module with a... ESP32-S2-WROVER-I moduleESP32-S2-WROVER-I eol WROVER ESP32-S2-WROVER-I integrates ESP32-S2. A powerful, generic Wi-Fi MCU module with a... ESP32-S2-WROOM moduleESP32-S2-WROOM eol WROOM ESP32-S2-WROOM integrates ESP32-S2. A powerful, generic Wi-Fi MCU module with a rich... ESP32-S2-WROOM-I moduleESP32-S2-WROOM-I eol WROOM ESP32-S2-WROOM-I integrates ESP32-S2. A powerful, generic Wi-Fi MCU module with a...

ESP32-S2 boards

26 boards
Adafruit Feather ESP32-S2 Reverse TFT boardAdafruit Feather ESP32-S2 Reverse TFT Adafruit$24.95 → Adafruit Feather ESP32-S2 TFT boardAdafruit Feather ESP32-S2 TFT Adafruit$24.95 → Adafruit Feather ESP32-S2 boardAdafruit Feather ESP32-S2 Adafruit$17.50 → Adafruit FunHouse boardAdafruit FunHouse Adafruit$34.95 → Adafruit MagTag 2.9" boardAdafruit MagTag 2.9" Adafruit$34.95 → Adafruit Metro ESP32-S2 boardAdafruit Metro ESP32-S2 Adafruit$24.95 → Adafruit QT Py ESP32-S2 boardAdafruit QT Py ESP32-S2 Adafruit$12.50 → ATMegaZero ESP32-S2 boardATMegaZero ESP32-S2 ATMegaZero$24.99 → Bee Motion boardBee Motion Smart Bee Designs$19.99 → Deneyap Mini v2 boardDeneyap Mini v2 Deneyap → Deneyap Mini boardDeneyap Mini Deneyap$5.37 → Department of Alchemy MiniMain ESP32-S2 boardDepartment of Alchemy MiniMain ESP32-S2 → ESP32S2 Dev Module boardESP32S2 Dev Module Generic → ESP32S2 Native USB boardESP32S2 Native USB Generic → Espressif ESP32-S2-DevKitC-1 boardEspressif ESP32-S2-DevKitC-1 Espressif$8.00 → Espressif ESP32-S2-DevKitM-1 boardEspressif ESP32-S2-DevKitM-1 Espressif$8.00 → Franzininho WiFi MSC boardFranzininho WiFi MSC Franzininho$17.00 → Franzininho WiFi boardFranzininho WiFi Franzininho$17.00 → LOLIN S2 Mini boardLOLIN S2 Mini Wemos$5.00 → LOLIN S2 PICO boardLOLIN S2 PICO Wemos$6.90 → microS2 boardmicroS2 MicroDev → SparkFun ESP32-S2 Thing Plus boardSparkFun ESP32-S2 Thing Plus SparkFun$24.50 → UM FeatherS2 Neo boardUM FeatherS2 Neo Unexpected Maker$24.50 → UM FeatherS2 boardUM FeatherS2 Unexpected Maker$24.95 → UM RMP boardUM RMP Unexpected Maker$89.00 → UM TinyS2 boardUM TinyS2 Unexpected Maker$18.50 →

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