Xiao S3 WIO

Name: Xiao S3 WIO
Brand: Seeed Studio
Price: 10 USD

In flasher Active

Thumb-sized ESP32-S3 XIAO host board paired with the Wio-SX1262 LoRa module. Provides Wi-Fi, BLE, USB flashing, and the same compact Seeed XIAO footprint for tiny MeshCore companion and repeater builds.

~$10 approx (2026-06)

Product page ↗

MCU: ESP32-S3
Radio: SX1262
Display: None
GPS: None
Battery: External
Connectivity: USB, BLE, Wi-Fi

Roles

CompanionRepeaterRoom server

Transports

bleusbwifi

Variants

Purchasable options for this device

Revision	Variant	Band	SKU
—	868/915MHz	EU868 US915 / AU915	102010611

Hardware

Radio

Technology: LORA
Chip: Semtech SX1262 ↗
Band: EU868 US915 / AU915
TX power: 22 dBm

Processor

Family: Espressif ESP32 series ↗
Model: Espressif ESP32-S3 ↗
Architecture: Xtensa LX
Flash: 8 MB
RAM: 512 KB
PSRAM: 8 MB

Input

Button: Boot
Button: Reset

Battery

Battery: External connector
Chemistry: Other
Built-in: No
Charging: Yes
Connector: solder pads

Physical

LEDs: User LED and charge LED
Board area: 3.7 cm²

Connectivity

USB: USB-C
USB modes: Power, Serial, Flashing
Bluetooth: BLE 5.0
Wi-Fi: 802.11 b/g/n

Details

Kind: Dev Board
Lifecycle: Active
Family: seeed-xiao-s3-wio
Firmware support: 11
Catalog completeness: 78 %

Firmware support

Firmware	Type	Target	Status	Notes
MeshCore (Reference)	Reference	xiao_s3_wio	✓ Supported
EasySkyMesh	Fork	—	◑ Partial	Power-saving figures vary by board revision.
ZephCore	Custom	—	✓ Supported
Meshcomod	Fork	—	✓ Supported
MeshCore Low-Power	Fork	—	✓ Supported
MeshCoreTel	Fork	—	✓ Supported
LusoFW	Fork	xiao_s3_wio	✓ Supported
Offband Mesh	Fork	—	✓ Supported
MeshCoreNG	Fork	xiao_s3_wio	✓ Supported
MeshCore-Evo	Fork	—	✓ Supported
chiyocore	Custom	—	◑ Partial	The maintainer reports successful experimental operation on a XIAO ESP32-S3 radio kit.