Seeed Studio XIAO Series: GNSS Module, BLE, Camera Sensor, v1.0 MCU Board with Pre-Soldered Components

The Seeed Studio XIAO Series offers a compact MCU board equipped with a GNSS module, BLE connectivity, and a camera sensor. Version 1.0 features pre-soldered components for ease of use and rapid prototyping, making it ideal for various IoT and embedded applications.

SAMD21 (Soldered and Unsoldered)

Processor: ARM Cortex M0 CPU (SAMD21G18)
Clock Speed: 48 MHz
Flash Memory: 256 KB
SRAM: 32 KB
I/O Pins: 14
Interfaces: I2C, UART, SPI
USB Connector: Type C

ESP32C6 Seeed Studio

Processor: ESP32-C6 SoC with two 32-bit RISC-V processors
SRAM: 512 KB
Flash Memory: 4 MB
Connectivity: 2.4 GHz Wi-Fi 6 (802.11ax), Bluetooth 5.0 (LE), Thread (802.15.4), Zigbee
Security: Flash encryption, Secure boot, Trusted Execution Environment (TEE)

ESP32C3 – tiny MCU board with Wi-Fi and BLE, battery charge supported, power efficiency and rich Interface

Interfaces: 1x UART, 1x IIC, 1x IIS, 1x SPI, 11x GPIO (PWM), 4x ADC
Buttons: 1x Reset, 1x Boot
Circuit Operating Voltage: 3.3V @ 200mA
Charging Current: 50mA / 100mA
Input Voltage (VIN): 5V
Deep Sleep Power Consumption: > 44 μA
Active Mode Power Consumption: < 75 mA
Modem-Sleep Mode Power Consumption: < 25 mA
Light-Sleep Mode Power Consumption: < 4 mA

RP2040 v1.0 Seeed Studio

Flash Memory: 2 MB
SRAM: 264 KB
Digital I/O Pins: 11
Analog I/O Pins: 4
PWM Pins: 11
I2C Interface: 1
SPI Interface: 1
UART Interface: 1
Power Supply and Downloading Interface: Type-C
Power: 3.3V/5V DC

ESP32S3- BLE 2.4GHz WiFi 5.0

Processor: Xtensa LX7 dual-core, 32-bit, up to 240 MHz
Wireless: 2.4 GHz WiFi subsystem, Bluetooth 5.0, Bluetooth mesh
On-Chip Memory: 8 MB PSRAM, 8 MB Flash
Working Temperature: -40°C to 65°C

ESP32S3 Sense – 2.4GHz Wi-Fi, BLE 5.0, OV2640 camera sensor

Item: Seeed Studio XIAO ESP32S3 Sense
Processor: ESP32-S3R8, Xtensa LX7 dual-core, 32-bit, up to 240 MHz
Wireless:
- 2.4 GHz Wi-Fi subsystem
- Bluetooth 5.0
- Bluetooth mesh
Built-in Sensors:
- OV2640 camera sensor (1600x1200)
- Digital Microphone
Memory:
- On-chip: 8 MB PSRAM, 8 MB Flash
- Onboard SD Card Slot (supports up to 32 GB FAT)
Interfaces:
- 1x UART
- 1x I2C
- 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
Power:
- Input voltage (Type-C): 5V
- Input voltage (BAT): 4.2V
Webcam Web Application Power Consumption:
- 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 Power Consumption:
- 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
Modem-Sleep Power Consumption: ~44mA
Wi-Fi Enabled Power Consumption:
- Active Model: ~110 mA (with expansion board)
BLE Enabled Power Consumption:
- Active Model: ~102 mA (with expansion board)

ESP32S3 Sense L76K GNSS Module

GNSS Bands:
- BeiDou B1: 1561.098 MHz
- GLONASS L1: 1602 MHz
- GPS L1 C/A: 1575.42 MHz
Channels:
- 32 tracking channels
- 72 acquisition channels

BLE nRF52840

Wireless: Bluetooth 5.0, NFC, Zigbee
On-Chip Memory:
- 1 MB Flash
- 256 KB RAM
Onboard Memory: 2 MB QSPI Flash
Interfaces:
- 1x UART
- 1x I2C
- 1x SPI
- 1x NFC
- 1x SWD
- 11x GPIO (PWM)
- 6x ADC
Power Circuit:
- Operating Voltage: 3.3V @ 200mA
- Charging Current: 50mA / 100mA
- Input Voltage (VIN): 5V
- Standby Power Consumption: <5 μA

nRF52840 Sense TinyML/ Tensor Flow Lite IMU / Microphone – Bluetooth5.0

Bluetooth Version: 5
Processor: ARM® Cortex®-M4 with FPU, up to 64 MHz
Sensors:
- Onboard 6-axis IMU
- Onboard PDM digital microphone
Flash Memory: 1 MB Flash and 256 KB RAM
Program Memory Size: 2048 KB QSPI Flash
Interfaces:
- 11x GPIO (PWM)
- 6x ADC
- 1x UART
- 1x I2C
- 1x SPI
- 1x NFC
- 1x SWD