Want to do mission planning or setup with Tower on Android or MAVPilot on iOS without the hassle of janky cables? What you need is a direct Wifi connection to your drone. The new Pixhawk/APM-compatible Wifi radio from HobbyKing is perfect for this, and just $19.97.  I almost exclusively use mobile apps and wifi now -- 400m range is fine for setup, planning and telemetry. Leave that laptop and those cables at home!

Tired of having to program your APM / Pixhawk system by wire? The APM / Pixhawk Wireless Wifi Radio Module is the perfect solution! This simple yet effective module replaces the 3DR data transmission module and frees you from the limitation of a USB cable. The system is suitable for all flight controllers with TTL interface.

The Wifi Radio module is supplied with both Pixhawk and APM compatible wire harnesses for quick and easy setup. 

Features: 
• Wireless functionality for Pixhawk and APM
• Compact and lightweight system supplied with Pixhawk and APM wire harnesses
• Replaces the 3DR data transmission system module
• Supplied with Pixhawk and APM wire harnesses

Specs: 
Transmission Rate: 11n:MAX150Mbps;11g:MAX54Mbps;11b;MAX11Mbps
Channels: 1~14
Frequency Range: 2.4 ~ 2.4835 Ghz
Transmitting Power: 14 ~ 18 DBM
Interface: Serial port, GPIO
Transmitting Range: 300 ~ 800 meter
Working Temperature: -20 ~ +70 degrees
Storage Temperature: -40 ~ +80 degrees
Bandwidth: 20MHz/40MHz/Auto Optional

Views: 14779

Comment by Crady von Pawlak on November 4, 2015 at 11:05am

Cool.  Just ordered one for my shiny new Pixhawk.

=D


Moderator
Comment by Graham Dyer on November 4, 2015 at 12:25pm

Can it run in parallel with a telemetry module? Also can one use the WiFi on a laptop?

Comment by Artem on November 4, 2015 at 1:18pm

There is one limitation though, at least with my galaxy s6, the phone looses internet connection when connected to this module. :(  so you pretty much need to pre-fetch maps. 

Comment by Greg Dronsky on November 4, 2015 at 1:32pm

what about esp8266? it's $2.5 and it might as well do the job. http://diydrones.com/forum/topics/wifi-telemetry-with-cheap-esp8266

Chris, Pixhawk 2 will have wifi radio onboard, right? :)

Comment by Artem on November 4, 2015 at 2:15pm

Greg, onboard radio is really unnecessary, especially in the 2.4ghz spectrum as this will affect our RC link (of course if it is not 433/915mhz)

I would much better prefer an integrated RC/datatlink modem from 3DR with expandable RF output i.e. external antennas, to rule all mavlink controllers :)  maybe a different openTX fork for taranis/9xr + a new RF module?  


Developer
Comment by Bill Bonney on November 4, 2015 at 2:35pm

For MAV Pilot I use a WiFi to 3DR Radio bridge. I have instructions here on hwo to do it with the Roving Networks RN-XV http://www.communistech.com/support/

I'm also going to add instructions for the ESP8266 over the coming weeks.


3D Robotics
Comment by Chris Anderson on November 4, 2015 at 2:49pm

Artem: The latest Android phones do Wifi and 4G simultaneously. (That's true of my Nexus 5x)


3D Robotics
Comment by Chris Anderson on November 4, 2015 at 2:51pm

Graham: Yes, you can use it with laptop wifi. I'm never tried it in parallel with a standard telemetry module. I think it might introduce some confusion about which commands (wifi or telem) take precedence.


Developer
Comment by Bill Bonney on November 4, 2015 at 3:33pm

@Chris/Graham, you can use both together APM Planner 2.0 can handles multiple data links to the same vehicle. The vehicle will respond to the last sent command.

@Chris. depending on the setup iOS does the same, you can connect via WiFi and still have a 3G/LTE data connection. 

Comment by Greg Dronsky on November 4, 2015 at 4:09pm

Artem: yes it may affect RC link, but it does not have to be on at all time. If one would add a "maintenance mode" to start the wifi it would be very handy. So for example by clicking 5 times on Pixhawk button you would be able to connect to you drone and make necessary adjustments (safe maintnance mode only). For 3 grams of additional mass (or less) and $3 dollars more it can be a handy feature. No cables, no telemetry modems. Just wifi connection with your phone/tablet/laptop, boom, your ready to fly.   

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