Adafruit ESP32-S2 Feather with 4MB Flash and 2MB PSRAM - STEMMA QT

The Adafruit ESP32-S2 Feather is a versatile ESP32-S2 WiFi development board equipped with 4 MB of Flash memory and 2 MB of PSRAM, ideal for your next IoT project. Featuring native USB support, the board can function as a keyboard, mouse, MIDI device, or disk drive.

This Feather board supports USB type C or LiPoly battery power options and includes built-in battery charging over USB-C. It also features a battery monitor chip (MAX17048) that reports battery voltage and state of charge via I2C, plus reset and DFU (BOOT0) buttons for easy firmware loading. With STEMMA QT connector for I2C devices, switchable power, and low-power operation, this board is perfect for wearable electronics, smart homes, and other IoT applications.

• ESP32-S2 240MHz Tensilica single-core processor with native USB functionality
• Mini module with FCC/CE certification
• 4 MB Flash and 2 MB PSRAM for large data buffers and complex projects
• Power options: USB Type C or LiPoly battery with built-in charging
• Battery monitor chip MAX17048 for voltage and charge reporting over I2C
• Reset and DFU (BOOT0) buttons for easy flash programming
• Serial debug output pin available
• STEMMA QT connector supporting I2C devices with switchable power
• Onboard LEDs (On, Charge, User) plus NeoPixel with pin-controlled power for low power usage
• Low power friendly with deep sleep current draw of approximately 80~100uA from LiPoly connection
• Compatible with Arduino and CircuitPython

Dimensions: 52.4mm x 22.8mm x 7.2mm. Weight: 6.3 grams.