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mRo WiFi Module V1.0 – ESP8266
Background/History of the Product:
The mRo WiFi radio is developed around the very popular ESP8266 module used in many IoT projects. The mRo WiFi module V1.0 comes with a standard JST-GH, allowing you to establish a UDP connection with your computer or mobile device and use mobile ground stations.
Comes with the latest Ardupilot ESP8266 firmware developed by Andrew Tridge. This new firmware has a nice web interface, MavLink2 support, and an easier way to do future updates via the web interface.
Normal Usage
If connected to Serial1/Telem1 these parameters should be set on the autopilot (if using another telemetry port, replace the “1” in the parameter name with the telemetry port’s number):
- SERIAL1_PROTOCOL = 2 (MAVLink2) or 1 (MAVLink1)
- SERIAL1_BAUD = 921 (921600 baud)
If you have problems connecting, it may help to set BRD_SER1_RTSCTS = 0 to disable flow control although this is not normally necessary
Pinout
| Pin | Signal | Volt |
| 1 (Red) | VCC in | 5V |
| 2 (Blk) | ESP RXD | 3.3V |
| 3 (Blk) | ESP TXD | 3.3V |
| 4 (Blk) | NC | NA |
| 5 (Blk) | NC | NA |
| 6 (Blk) | GND | GND |
Helpful Links
https://pixhawk.org/peripherals/8266
https://github.com/dogmaphobic/mavesp8266
http://www.grubba.com/mavesp8266/firmware-1.0.11….