{"title":"Adafruit ESP32-S2 Feather - 2 MB PSRAM and STEMMA QT / Qwiic","handle":"adafruit-esp32-s2-feather-2-mb-psram-and-stemma-qt-qwiic","url":"/products/adafruit-esp32-s2-feather-2-mb-psram-and-stemma-qt-qwiic","description":"The Adafruit ESP32-S2 Feather brings Espressif's single-core ESP32-S2 to the Feather ecosystem with native USB, 2.4 GHz Wi-Fi, 4 MB flash, and 2 MB PSRAM. Native USB support means it can act as a keyboard, mouse, MIDI device, or disk drive — no separate USB-to-serial chip needed.\n\nThis version includes a STEMMA QT port with switchable power for I2C peripherals, a NeoPixel with controllable power, and battery monitoring via the MAX17048 fuel gauge. In deep sleep, current draw drops to approximately 80–100 µA from the LiPo connection.\n\nKey Features\n\n\nESP32-S2 240 MHz Tensilica – Single-core with 2.4 GHz Wi-Fi (no Bluetooth)\n\nNative USB – HID, MIDI, mass storage, and CDC serial without an external chip\n\n4 MB Flash + 2 MB PSRAM – Large buffers for data-heavy applications\n\nUSB-C – Power, charging, and native USB communication\n\nLiPo Battery Support – JST connector with charging and MAX17048 fuel gauge monitoring\n\nSTEMMA QT / Qwiic – I2C port with independently switchable 3.3V power\n\nNeoPixel – Addressable RGB LED with controllable power pin\n\nUltra-Low Power – ~80–100 µA deep sleep current\n\nFCC/CE Certified Module – Compact module with PCB antenna\n\nFeather Form Factor – Compatible with FeatherWings\n\n\nAlso Available\n\nESP32-S2 Feather with BME280 Sensor\n\nESP32-S2 TFT Feather (with built-in colour display)\n\nESP32-S2 Reverse TFT Feather (display on back for panel mounting)\n\nESP32-S3 Feather (dual-core, Bluetooth LE)\n\nESP32-C6 Feather (Wi-Fi 6, Zigbee/Thread)\n\n\nIdeal For\n\nWi-Fi IoT projects with native USB capability\nCircuitPython and Arduino development\nUSB HID devices (keyboards, mice, game controllers)\nBattery-powered wireless sensor nodes\n\n\nPackage Contents\n\n1× Adafruit ESP32-S2 Feather with 2 MB PSRAM and STEMMA QT\n\n\n\nNote: The ESP32-S2 is single-core and does not support Bluetooth. For dual-core or Bluetooth, consider the ESP32-S3 or ESP32 Feather V2. LiPo battery and USB cable sold separately.\n","vendor":"Adafruit","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":3013,"title":"Default Title","sku":"AF-5000","price":35.51,"on_sale":false,"in_stock":true,"available_quantity":100,"option1":"Default Title"}]}