Modifying QGroundControl #2 - Adding a Button

Important Links: QGC Tutorial Github: https://github.com/Mapleguy/qgc-tutorial Vanilla QGC Github: https://github.com/mavlink/qgroundcon... QGC Website: http://qgroundcontrol.com/ QGC/PX4 Slack: https://px4.slack.com/ Dronecode: https://www.dronecode.org/