Adafruit ESP32-S3 Feather - 8MB Flash No PSRAM

The Adafruit ESP32-S3 Feather is a compact wireless development board featuring a dual-core ESP32-S3 processor, 8MB Flash and native USB. The ESP32-S3 combines 2.4GHz WiFi with Bluetooth Low Energy, making it suitable for wireless microcontroller projects using CircuitPython or Arduino.

The board features USB-C, a LiPoly battery connection with built-in charging, and a STEMMA QT/Qwiic connector for I2C devices. This version has 8MB Flash and no PSRAM. Native USB also allows the ESP32-S3 to operate directly as a USB device.

Highlighted features

• Dual-core ESP32-S3 processor running at up to 240MHz
• 8MB Flash with no PSRAM
• 2.4GHz WiFi and Bluetooth Low Energy
• Native USB through USB-C
• Built-in LiPoly battery charging
• STEMMA QT/Qwiic connector for I2C devices
• Supports CircuitPython and Arduino

Technical specifications

• Processor: dual-core Xtensa LX7 up to 240MHz
• Flash memory: 8MB
• PSRAM: none
• WiFi: 2.4GHz 802.11b/g/n
• Bluetooth: Bluetooth Low Energy
• USB: native USB via USB-C