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Let’s Build an Open Source Quadcopter – Part 2

Let’s Build an Open Source Quadcopter – Part 2

Management via APPs

If you have equipped the board with a Bluetooth module, you may activate the wireless telemetry by means of a smartphone (or tablet) via a specific app. The convenience offered by such an option is to have a compact and light device available, one to carry with us in the flight field. The currently available apps are the MultiWii Configuration Tool and the EZ-GUI Ground Station, however only the latter is compatible with the last software version (V2.4); it may be freely downloaded from the official Google Play store.

With this app you will be able to visualize the status of all the parameters in real time, and to remotely set the PID parameters in a safe way, during the flight a vocal assistant will inform you of the operating state, and refer about possible alarms; still by means of this app, assisted flight with the help of GPS and the mission planner are possible.

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In order to use the telemetry via Bluetooth, as a first thing please associate your BT module with your device, be it a smartphone or a tablet: at a later time download and start the EZ-GUI app. The first setting required is the name of the BT module to which to connect, different other settings follow, but the default values are fine as well.

 

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The app has three sections: the first one is named Dashboard  and it allows the visualization of all the flight parameters, the second one is named settings  that allows to set the values for the PID and the AUX inputs, the third section is named Configurations and allows to set the app functions.

 

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We will not describe all the details of the application, also because it proves to be very simple and intuitive; we advice only the activation of the vocal assistant, a very useful function given the impossibility to take off the eyes from the quadcopter. This application also manages the mission planner with the assisted flight via GPS.

 

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