arduino › microcontroller board
adafruit Adafruit Feather ESP32-S3
ESP32-S3 in Feather form with LiPo charger, STEMMA QT, and native USB. Vector-DSP instructions accelerate TensorFlow Lite Micro. 8 MB PSRAM variant available for larger ML models.
Specifications
- mcu chip
- esp32_s3
- clock mhz
- 240
- flash kb
- 8192
- sram kb
- 512
- wifi
- yes
- wifi band
- 2_4ghz
- bluetooth
- ble
- usb
- type_c
- gpio count
- 21
- analog inputs
- 12
- pwm pins
- 16
- i2c
- yes
- spi
- yes
- uart count
- 2
- operating voltage v
- 3.3
- input voltage range v
- 3.3-6
- power pins
- 3v3, vbat, vusb
- firmware compat
- arduino_ide, esp_idf, circuitpython, platformio
- ai accelerator
- vector_dsp
- form factor
- feather
Sources
- Adafruit open product catalog · ingest 2026-05-06