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Xiao S3 WIO

Xiao S3 WIO

Compact ESP32-S3 based development board with integrated Wio-SX1262 LoRa module for long-range wireless communication.

Companion Radio Firmware
Repeater
?Room Server (To be confirmed)
Processor
ESP32-S3 dual-core Xtensa LX7 up to 240 MHz
Memory
8MB Flash and 8MB PSRAM
LoRa Module
Wio-SX1262
LoRa Frequency
862-930 MHz
Connectivity
WiFi 2.4 GHz, BLE 5.0
Dimensions
21 × 18 mm (compact format)
Power Interface
USB Type-C
Antenna Connector
IPEX/U.FL

Key Features

Display
Bluetooth
WiFi
LoRa
USB-C
Extensibility
Arduino Compatible
MicroPython
Optional Case

Implementation Notes

  • Extremely compact form factor (21 × 18 mm) ideal for space-constrained projects
  • Display not integrated but can be added via expansion cards
  • Impressive LoRa range of 2-5 km with external antenna
  • WiFi and BLE range of 100+ meters

Detailed Specifications

ParameterDescription
ProcessorESP32-S3 with dual-core Xtensa 32-bit LX7 processor up to 240 MHz
Memory8MB Flash and 8MB PSRAM
LoRa ModuleWio-SX1262
LoRa Frequency Range862-930 MHz
WiFi2.4 GHz
BluetoothBLE 5.0
LoRa Range2-5 km with external antenna
WiFi/BLE Range100m+
Dimensions21 x 18 mm (compact format)
Power InterfaceUSB Type-C
Power ManagementIntegrated power management chip
LoRa Antenna ConnectorIPEX/U.FL
ExtensibilityVia I2C, UART and GPIO interfaces
Development CompatibilityArduino and MicroPython

Integration Options

Expansion Capabilities

The Xiao S3 WIO offers numerous integration possibilities through its expansion interfaces:

  • Add displays via I2C interface
  • Connect sensors through GPIO pins
  • Interface with other devices using UART
  • Enhance functionality with expansion cards
Enclosure Options

Available in different package configurations:

  • Basic board only for integration into custom projects
  • Version with 3D printed enclosure for ready-to-deploy solutions
  • Compatible with various third-party cases and enclosures

Released under the MIT License.