The Seeed XIAO ESP32S3 Sense is built around a highly-integrated, Xtensa processor ESP32-S3R8 SoC, which supports 2.4GHz WiFi and low-power Bluetooth® BLE 5.0 dual-mode for multiple wireless applications. It has lithium battery charge management capability.
As the advanced version of Seeed Studio XIAO ESP32S3, this board comes with a plug-in OV2640 camera sensor for displaying full 1600×1200 resolution. The base of it is compatible with OV5640 for supporting up to 2592×1944 resolution. The digital microphone is also carried with the board for voice sensing and audio recognition.
With powerful SoC and built-in sensors, this development board has 8MB PSRAM and 8MB FLASH on the chip, an additional SD card slot for supporting up to 32GB FAT memory. These allow the board for more programming space and bring even more possibilities into embedded ML scenarios.
As a number to the Seeed Studio XIAO family, the board maintains the classic thumb-sized form-factor design and elegant productisation of mounting single-sided components.
Now available with loose headers or pre-soldered – select an option before adding to your cart.
Features
- Powerful MCU Board: Incorporate the ESP32S3 32-bit, dual-core, Xtensa processor chip operating up to 240 MHz, mounted multiple development ports, Arduino / MicroPython supported
- Advanced Functionality: Detachable OV2640 camera sensor for 1600*1200 resolution, compatible with OV5640 camera sensor, integrating additional digital microphone
- Great Memory for more Possibilities: Offer 8MB PSRAM and 8MB FLASH, supporting SD card slot for external 32GB FAT memory
- Outstanding RF performance: Support 2.4GHz Wi-Fi and BLE dual wireless communication, support 100m+ remote communication when connected with U.FL antenna
- Thumb-sized Compact Design: 21 x 17.5mm, adopting the classic form factor of XIAO, suitable for space-limited projects like wearable devices
- Product number: Seeed 113991115
Specifications
| Processor | ESP32-S3R8 |
| Xtensa LX7 dual-core, 32-bit processor that operates at up to 240 MHz | |
| Wireless | Complete 2.4GHz Wi-Fi subsystem |
| BLE: Bluetooth 5.0, Bluetooth mesh | |
| Built-in Sensors | OV2640 camera sensor for 1600*1200 |
| Digital microphone | |
| Memory | On-chip 8M PSRAM & 8MB Flash |
| Onboard SD Card Slot, supporting 32GB FAT | |
| Interface | 1x UART, 1x IIC, 1x IIS, 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 17.5 x 15mm (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 | Without any peripherals: |
| – Modem-sleep Model: 3.8V/25.5 mA | |
| – Light-sleep Model: 3.8V/2.4 mA | |
| – Deep Sleep Model: 3.8V/63.768 μA | |
| Connect the camera: | |
| – Modem-sleep Model: 3.8V/44.57 mA | |
| – Light-sleep Model: 3.8V/5.47 mA | |
| – Deep Sleep Model: 3.8V/3.00 mA | |
| Connecting an SD Card: | |
| – Modem-sleep Model: 3.8V/32.8 mA | |
| – Light-sleep Model: 3.8V/3.48 mA | |
| – Deep Sleep Model: 3.8V/1.08 mA | |
| Simultaneously connect the camera and the SD card: | |
| – Modem-sleep Model: 3.8V/55.72 mA | |
| – Light-sleep Model: 3.8V/6.56 mA | |
| – Deep Sleep Model: 3.8V/3.98 mA | |
| 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 |
Resources
- Product Wiki
- OV2640 Camera Datasheet
- ESP32-S3 Datasheet
- Schematic
- KiCAD Libraries
- Eagle Libraries
- Factory firmware
Pinout
Package Contents
- 1x Seeed Studio XIAO ESP32S3 Sense (select header version before adding to your cart)
- 1x Plug-in camera sensor board
- 2x Heatsinks
- 1x Antenna
- 1x Header set (unsoldered version only)
| Option | Board + Loose Headers, Pre-soldered Headers |
|---|
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