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Wireless Connections (BLE, TCP and UDP).md

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Wireless connections

From INAV 5 onwards, the Configurator supports wireless connections via Bluetooth Low Energy (BLE) and Wifi (UDP and TCP).

BLE

The following adapters are supported:

  • CC2541 based modules (HM1X, HC08/09)
  • Nordic Semiconductor NRF5340 (Adafruit BLE Shield)
  • SpeedyBee adapter

Flightcontrollers with BLE should also work, if you have an adapter/FC that doesn't work, open an issue here on Github and we will add it.

Configuring the BLE modules

Activate MSP in INAV on a free UART port and set the Bluetooth module to the appropriate baud rate.

Example for a HM-10 module:

Connect the module to a USB/UART adapter (remember: RX to TX, TX to RX), and connect it to a serial terminal (e.g. from the Arduino IDE), Standard baud rate is 115200 baud, CR+LF

AT+BAUD4
AT+NAMEINAV

The baud rate values:

Value Baud
1 9600
2 19200
3 38400
4 115200

There are many counterfeits of the HC08/09 modules on the market, which work unreliably at high baud rates. However, it is recommended to avoid these modules and to use an original HM-10.

SpeedyBee adapter

Just connect it to the USB port, no further configuration needed.

TCP and UDP

Allows connections via Wifi.

Hardware:

  • DIY, ESP8266 based: This project can be used to make INAV Wifi enabled: https://github.com/Scavanger/MSPWifiBridge A small ESP01S module should still fit anywhere.

  • ExpressLRS Wifi: Should work (via TCP, port 5761), but untested due to lack of hardware from the developer. CLI and presets do not work here, problem in ELRS, not in INAV.