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 ICEnhanced wireless capability with stable 2.4GHz WiFi performance. Extra Memory for Bigger ProjectsComes with 4MB Flash and 2MB PSRAM, allowing smooth MicroPython operation and support for more complex applications. Ultra-Low Power EfficiencyDesigned for low-power tasks, battery-powered devices, and always-on sensor applications. Full Peripheral SupportOffers 27 digital GPIO pins, all supporting✔ Interrupts✔ PWM✔ I2C✔ Single-wire interfaceAlso features ADC, DAC, SPI, UART, USB OTG, giving you flexibility for all kinds of electronics projects. D1 Mini Compatible LayoutWorks with most D1 Mini shields and accessories. Ready for DevelopmentPre-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
