Overview
MicoAir-WiFi-Link is a dual-band (2.4GHz / 5GHz) WiFi 6 telemetry module designed specifically for wireless flight controller tunning and multi-drone swarm light show networking. Powered by OFDMA and downlink MU-MIMO technologies, it provides highly efficient concurrent transmission, ensuring more reliable wireless connections for multi-device networks.
Typical Applications
MicoAir-WiFi-Link is ideal for the following scenarios:
- Open-source Flight Controller (ArduPilot/PX4) Wireless Tunining: Supports Ground Control Station (GCS) software such as Mission Planner, QGroundControl (QGC), and MicoPilot.
- Drone Swarm Light Show Networking: Enables multi-drone swarm communication, waypoint data, and command upload (supports Skybrush).
- Robotics and Unmanned Systems Wireless Access: Suitable for various control and debugging scenarios requiring short-range, high-bandwidth wireless communication.
Product Features
- Powered by ESP32-C5
- Dual-band WiFi: 2.4 GHz / 5 GHz
- Supports WiFi 6 (802.11ax), backward compatible with 802.11 a/b/g/n/ac
- Defaults to AP mode for direct connection
- Supports STA mode for connecting to a router
- Supports bidirectional Serial <-> UDP transparent transmission
- BLE serial transparent transmission (Bluetooth connection currently only supported by MicoPilot)
- Built-in web-based configuration page
- Parameter configuration via USB serial AT commands
- Firmware upgrade via MicoAssistant
Parameters
- Main Controller: ESP32-C5
- Wireless Standard: WiFi 6 / 802.11ax, backward compatible with 802.11 a/b/g/n/ac
- Frequency: 2.4 GHz / 5 GHz
- Communication Interface: LVTTL (3.3V) Serial / USB-Type-C (CH340)
- Core Functions: WiFi UDP Serial Transparent Transmission / BLE Serial Transparent Transmission (BLE currently only supported by MicoPilot)
- Default WiFi Mode: AP (Can be switched to STA mode via AT commands)
- Max Range (AP Mode): 100 meters (Direct connection to phone/PC, tested in open environments without interference)
- Max Range (STA Mode): 500 meters (Relayed via high-power router, tested in open environments without interference)
- Max Range (BLE): 10 meters
- Operating Voltage: 5V
- Avg. Operating Current: 150mA
Serial Port
- Debug Port Baud Rate: 115200
- Telemetry Port Baud Rate: 57600 / 115200 (Default) / 230400 / 460800 / 921600
Note: The default telemetry port baud rate is 115200. The connected flight controller serial port must be configured to the same baud rate for proper communication.
Default Network Parameters
- AP SSID: MicoAir_WiFi_Link_XXXX
- AP Password: 12345678
- AP Gateway: 192.168.4.1
- STA Local IP: 192.168.1.101
- STA Target IP: 192.168.1.2
- STA Gateway: 192.168.1.1
- UDP Port: 14550
WiFi Operating Modes
- AP Mode (Default): The module creates its own WiFi hotspot. The Ground Control Station (PC/Phone) connects directly to it.
- STA Mode: The module connects to an existing local router. The GCS and the module communicate within the same Local Area Network (LAN).
BLE
- Bluetooth Name: MicoAir_BLE_XXXX
- Bluetooth Password: None
- Connection Range: 10 meters
- Conflict with 2.4G WiFi: Since BLE and 2.4G WiFi share the same physical antenna and channel, they cannot be used simultaneously. The factory default is 5G WiFi (AP Mode) + BLE. If the module is switched to 2.4G WiFi (AP Mode), BLE will be automatically disabled. In STA mode, connecting to a 2.4G router will also automatically disable BLE.
Note: Currently, only the MicoPilot GCS app supports connecting the flight controller via this Bluetooth link.
Interface Description
Telemetry Interface
- TX and RX must be cross-connected.
- The flight controller and the module must share a common ground (GND).
- The flight controller serial baud rate must match the module’s configured baud rate.
Debug Interface
The module’s USB Type-C serial port is used for:
- Configuring parameters via AT commands.
- Firmware upgrades.
Default Debug Port Settings:
Baud Rate: 115200 / Data Bits: 8 / Stop Bits: 1 / Parity: None
Web Configuration Guide
In AP Mode, open a web browser and visit:
http://192.168.4.1
Here, you can configure basic WiFi parameters.
Note:Switching to STA mode currently only supports configuration via AT commands.
Physical
- Dimensions: 34.5×23.5x6mm
- Weight: 5.5g (without antenna)
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