Quick answer

XIAO ESP32-S3 Sense is a development board from Seeed Studio, listed under Edge AI. It uses the ESP32-S3R8 on a Xtensa core. It carries 8MB + TF flash, 8MB PSRAM RAM, 11 GPIO. Official framework support: Arduino, ESP-IDF, MicroPython. Adds an OV5640 camera, digital microphone and microSD slot to the XIAO ESP32-S3 for TinyML vision and audio capture.

Vendor
Seeed Studio
Architecture
Xtensa
MCU
ESP32-S3R8
Clock
240MHz
Flash
8MB + TF
RAM
8MB PSRAM
GPIO
11
Current draw
5V / 3.7V BAT
Focus
Edge AI

Common questions

What is the XIAO ESP32-S3 Sense development board?

XIAO ESP32-S3 Sense is a development board from Seeed Studio, listed under Edge AI. It uses the ESP32-S3R8 on a Xtensa core. It carries 8MB + TF flash, 8MB PSRAM RAM, 11 GPIO. Official framework support: Arduino, ESP-IDF, MicroPython. Adds an OV5640 camera, digital microphone and microSD slot to the XIAO ESP32-S3 for TinyML vision and audio capture.

What MCU and instruction architecture does XIAO ESP32-S3 Sense use?

ESP32-S3R8 on a Xtensa core.

How much flash and RAM does XIAO ESP32-S3 Sense have?

It carries 8MB + TF flash, 8MB PSRAM RAM, 11 GPIO.

What kind of projects is XIAO ESP32-S3 Sense meant for?

ZouIC lists it under Edge AI, with official framework support for Arduino, ESP-IDF, MicroPython.

How much power does XIAO ESP32-S3 Sense draw?

The listed figure is 5V / 3.7V BAT.

Where can I find official material for XIAO ESP32-S3 Sense?

See the official community at https://wiki.seeedstudio.com/xiao_esp32s3_getting_started/; the purchase page at https://www.seeedstudio.com/XIAO-ESP32S3-Sense-p-5639.html.

Seeed Studio
XtensaSeeed StudioCheck official channels

XIAO ESP32-S3 Sense

Adds an OV5640 camera, digital microphone and microSD slot to the XIAO ESP32-S3 for TinyML vision and audio capture.

Quick specs

From vendor docs
240MHzSpeed
11GPIO
8MB + TFFlash
8MB PSRAMRAM
Chip modelESP32-S3R8
Power5V / 3.7V battery

Peripherals

OV5640 camera
PDM microphone
microSD
Wi-Fi
BLE 5.0

Frameworks

Arduino
ESP-IDF
MicroPython

Technical Specifications

Processor info

Chip ArchitectureXtensa
VendorSeeed Studio
Chip modelESP32-S3R8
Clock speed240MHz

Storage and memory

Flash8MB + TF
RAM8MB PSRAM
GPIO count11pcs
Power5V / 3.7V battery

Official links and data notes

Specifications are compiled from public vendor materials for selection reference only. Licenses for hardware design files and documentation are determined by the vendor or project owner; ZouIC does not grant them.

Last verified 2026-10-28

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