# ESP32-S3 Feather (8MB Flash / 2MB PSRAM) Manufacturer: Adafruit | MPN: 5323 | Category: controller Canonical: https://partsgraph.ai/catalog/parts/adafruit-esp32-s3-feather Image: https://partsgraph.ai/catalog/img/adafruit-esp32-s3-feather.jpg (photo: Adafruit, CC BY-SA; sha256 704e6b46f30a) ## Attributes (each with provenance) - **Module**: ESP32-S3 - source: https://documentation.espressif.com/esp32-s3-wroom-1_wroom-1u_datasheet_en.pdf (page 1) sha256:27d71971da07 - quote: "ESP32-S3-WROOM-1 ESP32-S3-WROOM-1U Datasheet Version 1.8 2.4 GHz" - **Wi-Fi**: 2.4 GHz - source: https://documentation.espressif.com/esp32-s3-wroom-1_wroom-1u_datasheet_en.pdf (page 1) sha256:27d71971da07 - quote: "ESP32-S3-WROOM-1 ESP32-S3-WROOM-1U Datasheet Version 1.8 2.4 GHz Wi-Fi (802.11b/g/n) and Bluetooth® 5 module Built around" - **Flash**: 8 MB - source: https://www.adafruit.com/product/5323 - quote: "Adafruit ESP32-S3 Feather with STEMMA QT / Qwiic [8MB Flash No PSRAM] : Adafruit Industries, Unique & fun DIY ele" - **PSRAM**: 2 MB - source: https://www.adafruit.com/product/5323 - quote: "from the options below: 8MB Flash No PSRAM $17.50 4MB Flash 2MB PSRAM Out of stock 8MB Flash with w.FL $17.50 Qty Discount" - **LiPo charger on board**: yes - source: https://www.adafruit.com/product/5323 - quote: "wer options - USB type C or Lipoly battery Built-in battery charging when powered over USB-C LiPoly battery monitor - MAX1704" - **CPU clock**: 240 MHz - source: https://www.adafruit.com/product/5323 - quote: "arted with this powerful new chip from Espressif! With dual 240 MHz cores, WiFi and BLE support, and native USB, this Feather i" - **SRAM**: 512 KB - source: https://www.adafruit.com/product/5323 - quote: "eather comes with 8 MB flash and no PSRAM, but it does have 512KB of SRAM so its fine for use with CircuitPython support as l" - **Deep sleep current**: 100 uA - source: https://www.adafruit.com/product/5323 - quote: "Low Power friendly ! In deep sleep mode we can get down to ~100uA of current draw from the Lipoly connection. Quiescent curre" - **3.3V regulator output current (min)**: 500 mA - source: https://www.adafruit.com/product/5323 - quote: "due to parts shortages. The regulator can provide at least 500mA. ESP32-S3 Mini Module Datasheet Learn Primary Guide: Adafru" - **Battery monitor IC**: MAX17048 - source: https://www.adafruit.com/product/5323 - quote: "y charging when powered over USB-C LiPoly battery monitor - MAX17048 chip actively monitors your battery for voltage and state o" - **USB connector**: USB type C - source: https://www.adafruit.com/product/5323 - quote: "n and comes with 8 MByte of Flash, no PSRAM Power options - USB type C or Lipoly battery Built-in battery charging when powered ov" - **Bluetooth**: BLE - source: https://www.adafruit.com/product/5323 - quote: ") Also include 1 x Lithium Ion Polymer Battery with Short Cable - 3.7V 350mAh ($ 5.95 ) There are multiple versions of this" - **STEMMA QT / Qwiic connector**: yes - source: https://www.adafruit.com/product/5323 - quote: "(optional, for checking the hardware serial debug console) STEMMA QT connector for I2C devices, with switchable power, so you can go into" - **Module certification**: FCC/CE - source: https://www.adafruit.com/product/5323 - quote: "yboard/mouse, MIDI device, disk drive, etc! Mini module has FCC/CE certification and comes with 8 MByte of Flash, no PSRAM Pow" - **Native USB**: yes - source: https://www.adafruit.com/product/5323 - quote: "pressif! With dual 240 MHz cores, WiFi and BLE support, and native USB, this Feather is great for powering your IoT projects. That" - **Bluetooth Classic support**: no - source: https://www.adafruit.com/product/5323 - quote: "arable to ESP32's dual-core. However, there is no Bluetooth Classic support, only Bluetooth LE. This chip is a great step up from the earlier" - **CPU cores**: Dual Core - source: https://www.adafruit.com/product/5323 - quote: "use in ESP-IDF or with Arduino support. Features: ESP32-S3 Dual Core 240MHz Tensilica processor - the next generation of ESP32-S" - **Reset + DFU (BOOT0) buttons**: yes - source: https://www.adafruit.com/product/5323 - quote: "voltage and state of charge / percentage reporting over I2C Reset and DFU (BOOT0) buttons to get into the ROM bootloader (which is a USB serial port" - **Status NeoPixel with pin-controlled power**: yes - source: https://www.adafruit.com/product/5323 - quote: "r, so you can go into low power mode. On/Charge/User LEDs + status NeoPixel with pin-controlled power for low power usage Low Power fri" - **On/Charge/User LEDs**: yes - source: https://www.adafruit.com/product/5323 - quote: ", with switchable power, so you can go into low power mode. On/Charge/User LEDs + status NeoPixel with pin-controlled power for low power u" - **STEMMA QT I2C power switchable**: yes - source: https://www.adafruit.com/product/5323 - quote: "al debug console) STEMMA QT connector for I2C devices, with switchable power, so you can go into low power mode. On/Charge/User LEDs + s" - **Serial debug output pin**: yes - source: https://www.adafruit.com/product/5323 - quote: "h is a USB serial port so you don't need a separate cable!) Serial debug output pin (optional, for checking the hardware serial debug console)" - **Supported frameworks**: ESP-IDF, Arduino or CircuitPython - source: https://www.adafruit.com/product/5323 - quote: "I2C power for the lowest quiescent current draw. Works with ESP-IDF, Arduino or CircuitPython (not recommended since there is no PSRAM, but for some simp" - **Form factor**: Feather format - source: https://www.adafruit.com/product/5323 - quote: "ock Add to Wishlist Description The ESP32-S3 has arrived in Feather format - and what a great way to get started with this powerful ne" ## Vendors - Adafruit: https://www.adafruit.com/product/5323 (~USD 17.5, indicative as of 2026-08-18) ## Datasheets - ESP32-S3-WROOM-1 datasheet: https://documentation.espressif.com/esp32-s3-wroom-1_wroom-1u_datasheet_en.pdf (sha256 27d71971da07) Used in builds: weather-station, plant-waterer (roles: main-controller) Machine feed of the whole catalogue: https://partsgraph.ai/catalog/feed.json