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
| Parameter | Description |
|---|---|
| Processor | ESP32-S3 with dual-core Xtensa 32-bit LX7 processor up to 240 MHz |
| Memory | 8MB Flash and 8MB PSRAM |
| LoRa Module | Wio-SX1262 |
| LoRa Frequency Range | 862-930 MHz |
| WiFi | 2.4 GHz |
| Bluetooth | BLE 5.0 |
| LoRa Range | 2-5 km with external antenna |
| WiFi/BLE Range | 100m+ |
| Dimensions | 21 x 18 mm (compact format) |
| Power Interface | USB Type-C |
| Power Management | Integrated power management chip |
| LoRa Antenna Connector | IPEX/U.FL |
| Extensibility | Via I2C, UART and GPIO interfaces |
| Development Compatibility | Arduino and MicroPython |
