# Seeed Studio XIAO ESP32S3 Sense

**Type:** Product page · **SKU:** SS113991115 · **Brand:** [Seeed Studio](https://core-electronics.com.au/brands/seeed-studio-australia)
**Page:** https://core-electronics.com.au/seeed-studio-xiao-esp32s3-54467.html ([markdown](https://core-electronics.com.au/seeed-studio-xiao-esp32s3-54467.html.md))

Seeed Studio XIAO Series are diminutive development boards, sharing a similar hardware structure, where the size is literally thumb-sized. The code name...

## Pricing

- **Price:** $30.60 (inc GST) — $27.82 AUD, exc GST
- **Quantity discounts:** 10+ $26.71 (exc GST) · 25+ $25.87 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 47 today, and up to 50 more in 8–10 days.

## Description

The Seeed Studio XIAO ESP32S3 Sense board is compact yet powerful, featuring a dual-core 32-bit Xtensa processor running up to 240 MHz. It supports both Arduino and MicroPython, making it versatile for various development needs. The board includes a detachable OV2640 camera sensor with a 1600x1200 resolution, digital microphone, and compatibility with the OV5640 sensor. It offers 8MB of PSRAM and 8MB of flash memory, plus an SD card slot for up to 32GB of external FAT storage. With support for 2.4GHz Wi-Fi and BLE, it enables long-range communication, particularly when paired with a U.FL antenna. Measuring just 21 x 17.8 mm, it fits well into tight spaces like wearable tech. It also comes with a pretrained AI model from [SenseCraft AI](https://sensecraft.seeed.cc/ai/#/model) for easy deployment without coding.

## Specifications

- **Processor**:
    
    
    - ESP32-S3R8
    - Xtensa LX7 dual-core, 32-bit processor operating up to 240 MHz
- **Wireless**:
    
    
    - Complete 2.4GHz Wi-Fi subsystem
    - BLE: Bluetooth 5.0, Bluetooth mesh
- **Built-in Sensors**:
    
    
    - OV2640 camera sensor with 1600x1200 resolution
    - Digital Microphone
- **Memory**:
    
    
    - On-chip 8M PSRAM & 8MB Flash
    - Onboard SD Card Slot, supporting 32GB FAT
- **Interface**:
    
    
    - 1x UART
    - 1x I2C
    - 1x I2S
    - 1x SPI
    - 11x GPIOs (PWM)
    - 9x ADC
    - 1x User LED
    - 1x Charge LED
    - 1x B2B Connector (with 2 additional GPIOs)
    - 1x Reset button
    - 1x Boot button
- **Dimensions**:
    
    
    - 21 x 17.8 x 15 mm (with expansion board)
- **Power**:
    
    
    - Input voltage (Type-C): 5V
    - Input voltage (BAT): 4.2V
    - Circuit operating Voltage (ready to operate): 
        - Type-C: 5V @ 38.3mA
        - BAT: 3.8V @ 43.2mA (with expansion board)
- **Webcam Web application**:
    
    
    - Type-C: 
        - Average power consumption: 5V / 138mA
        - Photo moment: 5V / 341mA
    - Battery: 
        - Average power consumption: 3.8V / 154mA
        - Photo moment: 3.8V / 304mA
- **Microphone recording & SD card writing**:
    
    
    - Type-C: 
        - Average power consumption: 5V / 46.5mA
        - Peak power consumption: 5V / 89.6mA
    - Battery: 
        - Average power consumption: 3.8V / 54.4mA
        - Peak power consumption: 3.8V / 108mA
- **Charging battery current**: 100mA
- **Low Power Consumption Model (Supply Power: 3.8V)**:
    
    
    - Modem-sleep Model: ~44mA
    - Light-sleep Model: ~5mA
    - Deep Sleep Model: ~3mA
- **Wi-Fi Enabled Power Consumption**:
    
    
    - Active Model: ~110 mA (with expansion board)
- **BLE Enabled Power Consumption**:
    
    
    - Active Model: ~102 mA (with expansion board)
- **Working Temperature**:
    
    
    - -40°C ~ 65°C
 
Note: There are two additional GPIO on the plug-in camera sensor board linking to the microphone. If you want to apply these two external IO, the microphone should not be used at the same time.

## What's Onboard

![](https://core-electronics.com.au/attachments/localcontent/1_33_41665008ee2.png)

## Pinout

![](https://core-electronics.com.au/attachments/localcontent/2_24_85056167f4f.png)

## **![](https://core-electronics.com.au/attachments/localcontent/3_20_51477039a86.png)**Resources

- [OV2640 Camera Datasheet](https://core-electronics.com.au/attachments/localcontent/OV2640-datasheet_817779542a4.pdf)
- [ESP32-S3 Datasheet](https://core-electronics.com.au/attachments/localcontent/esp32-s3_datasheet_118646274cb.pdf)
- [TinyML Case Studies](https://core-electronics.com.au/attachments/localcontent/TinyML-Case-Studies_52182332edf.pdf)
- [XIAO Reference Design](https://core-electronics.com.au/attachments/localcontent/XIAO-Reference-Design_142350d0e41.pdf)
- [3D Printing "Case" Studies](https://core-electronics.com.au/attachments/localcontent/3D-Printing-Case-Studies_4743613c3f8.pdf)
- [3D Printed shell (top) ](https://files.seeedstudio.com/wiki/SeeedStudio-XIAO-ESP32S3/res/XIAO-ESP32S3-Sense-housing-design(top).stp)
- [3D Printed shell (bottom)](https://files.seeedstudio.com/wiki/SeeedStudio-XIAO-ESP32S3/res/XIAO-ESP32S3-Sense-housing-design(bottom).stp)
- [Wiki](https://wiki.seeedstudio.com/xiao_esp32s3_getting_started/)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/S/S/SS113991115-1.jpg)