EZ-GUI Ground Station

IMPORTANT:
THIS APP IS NO LONGER MAINTAINED
This application is NOT compatible with Betaflight 3.2 and up.
It will still connect and read sensor data, control motors etc, but after setting up PID, Modes or anything else it can override/change your existing configuration in uncontrolled way.
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Ground Station software designed to work with Cleanflight, Betaflight, iNav and Multiwii based flight controllers.
It displays all available data from a flight controller in a convenient way.
It allows you to easily configure and tune your model from Android device, so you don't have to take your laptop to the flying field.
It supports direct USB connection (Android >3.1) as well as Bluetooth, WiFi and 3DR Radio.

More information
http://ez-gui.com/

Or on the forum:
https://www.rcgroups.com/forums/showthread.php?2511917-EZ-GUI-Ground-Station-for-Android