ESP32 S2 Mini Development Board with 4MB Flash + 2MB PSRAM

Bring more power, memory, and flexibility to your DIY electronics and IoT projects with the ESP32 S2 Mini. Based on the ESP32-S2FN4R2 WiFi SoC, this compact module delivers excellent wireless performance, ultra-low power consumption, and full MicroPython support—making it a strong upgrade from the popular D1 Mini form factor.

Key Features

• Upgraded ESP32-S2FN4R2 WiFi IC
  Enhanced wireless capability with stable 2.4GHz WiFi performance.
• Extra Memory for Bigger Projects
  Comes with 4MB Flash and 2MB PSRAM, allowing smooth MicroPython operation and support for more complex applications.
• Ultra-Low Power Efficiency
  Designed for low-power tasks, battery-powered devices, and always-on sensor applications.
• Full Peripheral Support
  Offers 27 digital GPIO pins, all supporting
  ✔ Interrupts
  ✔ PWM
  ✔ I2C
  ✔ Single-wire interface
  Also features ADC, DAC, SPI, UART, USB OTG, giving you flexibility for all kinds of electronics projects.
• D1 Mini Compatible Layout
  Works with most D1 Mini shields and accessories.
• Ready for Development
  Pre-flashed with MicroPython and supports Arduino, ESP-IDF, and CircuitPython workflows.

Specifications

• Model: ESP32 S2 Mini
• Working Voltage: 3.3V
• Interface: USB Type-C
• Flash Memory: 4MB
• PSRAM: 2MB
• GPIO Pins: 27 digital input/output
• Default Firmware: MicroPython
• Dimensions: Approx. 34 × 25 mm

Package Includes

• 1 × ESP32 S2 Mini Development Board
• 4 × Pin Headers