Quick answer
XIAO ESP32-S3 is a development board from Seeed Studio, listed under IoT. It uses the ESP32-S3R8 on a Xtensa core. It carries 8MB flash, 8MB PSRAM RAM, 11 GPIO. Official framework support: Arduino, ESP-IDF, MicroPython. Dual Xtensa LX7 cores at 240 MHz with 8 MB flash, 8 MB PSRAM and 11 GPIO for connected and light vision workloads.
- Vendor
- Seeed Studio
- Architecture
- Xtensa
- MCU
- ESP32-S3R8
- Clock
- 240MHz
- Flash
- 8MB
- RAM
- 8MB PSRAM
- GPIO
- 11
- Current draw
- 5V / 3.7V BAT
- Focus
- IoT
Common questions
What is the XIAO ESP32-S3 development board?
XIAO ESP32-S3 is a development board from Seeed Studio, listed under IoT. It uses the ESP32-S3R8 on a Xtensa core. It carries 8MB flash, 8MB PSRAM RAM, 11 GPIO. Official framework support: Arduino, ESP-IDF, MicroPython. Dual Xtensa LX7 cores at 240 MHz with 8 MB flash, 8 MB PSRAM and 11 GPIO for connected and light vision workloads.
What MCU and instruction architecture does XIAO ESP32-S3 use?
ESP32-S3R8 on a Xtensa core.
How much flash and RAM does XIAO ESP32-S3 have?
It carries 8MB flash, 8MB PSRAM RAM, 11 GPIO.
What kind of projects is XIAO ESP32-S3 meant for?
ZouIC lists it under IoT, with official framework support for Arduino, ESP-IDF, MicroPython.
How much power does XIAO ESP32-S3 draw?
The listed figure is 5V / 3.7V BAT.
Where can I find official material for XIAO ESP32-S3?
See the official community at https://wiki.seeedstudio.com/xiao_esp32s3_getting_started/; the purchase page at https://www.seeedstudio.com/XIAO-ESP32S3-p-5627.html.
XIAO ESP32-S3
Dual Xtensa LX7 cores at 240 MHz with 8 MB flash, 8 MB PSRAM and 11 GPIO for connected and light vision workloads.
Quick specs
From vendor docsPeripherals
Frameworks
Technical Specifications
Processor info
Storage and memory
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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