Seeed Studio XIAO MG24 Sense Development Board

Seeed Studio XIAO MG24 Sense Development Board is an ultra-low-power wireless development board based on the Silicon Labs EFR32MG24 System-on-Chip (SoC), featuring a high-performance 78MHz Arm® Cortex®-M33 core. The XIAO MG24 Sense is Matter® native over Thread® and BLUETOOTH® Low Energy 5.3, all supported by the Arduino® Core. With 4MB Flash onboard, 19 GPIOs, LED, and an onboard charging circuit, the development board boasts extremely low operating currents and ultra-low-power modes, making it an ideal choice for Internet of Things (IoT) applications, especially battery-powered projects utilizing Matter protocols. Additionally, the onboard analog microphone and six-axis IMU sensors make the Seeed Studio XIAO MG24 Sense a great fit for TinyML applications such as posture detection.
Infographic - Seeed Studio XIAO MG24 Sense Development Board

Features

  • High-performance MCU utilizing a Silicon Labs' EFR32MG24 SoC, 32-bit 78MHz Arm Cortex-M33 with DSP instruction
  • Matter native - compatible with Matter over Thread and Bluetooth Low Energy 5.3, supported by the Arduino core
  • Outstanding RF performance - equipped with an onboard antenna with BLE range up to 50m in an open location with no signal interference, while reserving an interface for an external UFL antenna
  • Super-low power design - power consumption is less than 1.95μA in sleep mode, ideal for battery-powered home automation applications
  • Advanced onboard sensors - features an additional analog microphone and 6-axis IMU (LSM6DS3TR-C) for TinyML and edge AI applications, such as pose perception for more responsive automation
  • Security encrypted on-chip - a dedicated hardware secure engine containing a CPU, enables the Secure Vault functions
  • Rich onboard resources - additional 4MB Flash onboard, onboard battery charging circuit, 19x GPIOs, and an LED
  • Classic XIAO design - retains the classic XIAO design with a thumb-size form factor of 21mm x 17.8mm and single-sided mount, making it perfect for space-limited projects such as wearables
  • Natively compatible with all the XIAO accessory add-ons and kits of Grove Expansion, CAN-Bus, LED Matrix, Vision AI Sensor, Round Display, GSP Module, 2-Mic Array, ePaper Display, mmWave sensor, LoRa Module, and many more

Applications

  • Smart home devices - using Matter for devices like smart locks, sensors, and lighting
  • Remote controls - low-power remotes for home automation systems
  • TinyML applications - on-device machine learning for gesture recognition and voice commands
  • Environmental monitoring - battery-powered sensors for temperature, humidity, and air quality

Specifications

  • Processors
    • Silicon Labs EFR32MG24
    • ARM Cortex-M33 at 78MHz
  • 256kB RAM
  • 1536KB + 4MB onboard flash
  • 1x user LED and 1x power LED
  • Onboard sensors
    • Analog microphone
    • 6-axis IMU
  • 22-pin interface, all PWM
    • 11x analog
    • 19x digital
    • 1x I2C
    • 2x UART
    • 2x SPI
  • 1x RESET button
  • Security
    • Hardware cryptographic acceleration
    • True random number generator
    • Arm TrustZone®
    • Secure boot
    • Secure debug unlock
  • Current
    • 1.95μA at low power
    • 6.71mA normal
    • 1.91mA sleep
  • Arduino IDE software compatibility
  • -20°C to +70°C operating temperature range
  • 21mm x 17.8mm size

Videos

Overview

Location Circuit - Seeed Studio XIAO MG24 Sense Development Board

PinOut

Location Circuit - Seeed Studio XIAO MG24 Sense Development Board
게시일: 2025-05-30 | 갱신일: 2025-09-17