Adafruit ESP32-S3 Feather with STEMMA QT / Qwiic - 8MB Flash No PSRAM

The Adafruit ESP32-S3 Feather is a powerful development board featuring the ESP32-S3 dual-core 240 MHz Tensilica processor. It includes 8MB flash memory without PSRAM, making it ideal for IoT projects requiring WiFi and BLE connectivity.

This Feather board combines native USB support, built-in battery charging, and a STEMMA QT / Qwiic connector for I2C sensors and devices. It can be powered by USB Type-C or a LiPoly battery, with an onboard MAX17048 battery monitor.

Key features include:

• ESP32-S3 dual-core 240MHz processor with native USB support for HID devices and USB serial
• 8MB Flash memory, no PSRAM
• FCC and CE certified mini module
• USB Type-C power and data
• Onboard LiPoly battery charger and monitor (MAX17048)
• STEMMA QT connector for easy I2C device expansion
• Reset and DFU buttons for bootloader access
• Power and status LEDs including a NeoPixel
• Low power consumption (~100uA in deep sleep)
• Compatible with ESP-IDF, Arduino, and CircuitPython (with memory limitations)

The board is perfect for developing smart home, wearable, and IoT applications requiring WiFi and BLE Low Energy connectivity combined with a small footprint and expandable Feather ecosystem.