Espressif ESP32 S2 Mini 1 & S2 Mini 1U Module

The ESP32-S2-MINI-1 and ESP32-S2-MINI-1U are versatile Wi-Fi MCU modules with powerful features and a wide range of peripheral interfaces, suitable for applications such as wearable electronics and smart home devices. The ESP32-S2-MINI-1 uses an onboard PCB antenna, while the ESP32-S2-MINI-1U connects to an external antenna via a connector.

Features

CPU and On-chip Memory

• Built-in ESP32-S2FH4 or ESP32-S2FN4R2 chip, Xtensa® single-core 32-bit LX7 microprocessor, supporting clock frequencies up to 240 MHz
• 128 KB ROM
• 320 KB SRAM
• 16 KB RTC SRAM
• 4 MB embedded flash
• 2 MB embedded PSRAM (only for ESP32-S2FN4R2 chip)

Wi-Fi

• 802.11 b/g/n
• Data rates up to 150 Mbps in 802.11n mode
• Frame aggregation (TX/RX A-MPDU, RX A-MSDU)
• 0.4 µs guard interval
• Operating channel center frequency range: 2412 ~ 2484 MHz

Peripherals

• GPIO, SPI, UART, I2C, I2S, LCD interface, Camera interface, IR, pulse counter, LED PWM, TWAI® (ISO 11898-1 compliant, i.e., CAN 2.0 specification), full-speed USB OTG, ADC, DAC, touch sensor, temperature sensor

Module Integrated Components

• 40 MHz integrated crystal oscillator

Antenna Options

• Onboard PCB antenna (ESP32-S2-MINI-1)
• External antenna via a connector (ESP32-S2-MINI-1U)

Operating Conditions

• Operating voltage/power supply voltage: 3.0 ~ 3.6 V
• Operating temperature:
  • 85°C version: –40 ~ 85°C
  • 105°C version: –40 ~ 105°C

Certifications

• RF Certifications: Refer to certificates
• Environmental Certifications: RoHS/REACH

Testing

• HTOL, HTSL, uHAST, TCT, ESD

The ESP32-S2-MINI-1 and ESP32-S2-MINI-1U modules feature the following specifications:

• ESP32-S2-MINI-1:

  • Embedded Chip: ESP32-S2FH4 or ESP32-S2FN4R2

  • Dimensions: 15.4 × 20 × 2.4 mm

  • Temperature Rating: 65°C

  • Flash Memory: 4 MB (built-in)

  • PSRAM: N/A or 2 MB

  • Antenna: PCB onboard antenna

  • Development Board: ESP32-S2-DevKitM-1

  • Package: 2D Footprint

• ESP32-S2-MINI-1U:

• • Embedded Chip: ESP32-S2FH4 or ESP32-S2FN4R2

  • Dimensions: 15.4 × 15.4 × 2.4 mm

  • Temperature Rating: 65°C

  • Flash Memory: 4 MB (built-in)

  • PSRAM: N/A or 2 MB

  • Antenna: IPEX connector for external antenna

  • Development Board: ESP32-S2-DevKitM-1U

  • Package: 2D Footprint