blog c++ shared_ptr boost::asio usb3.0 radio interference drones ros tests gtest rostest protobuf JSON outdoor winter robots uav weather people camera opencv distortion calibration pneumatic magnet magntetometer pixhawk IMU light aruco pose_estimation GSM 4G ARM ARM-big-little CPU threading contextswitching teraranger rangefinder garmin lidar sensor 3dprinter ssh octoprint portforwarding debug python lldb gcc matplotlib 3d-printer solar_panel rechargeable batteries green_energy eco-friendly debugging sanitizers segfaults 3d ubuntu xfce thunar thumbnail ux team fail knowledge testing mobile android maestro e2e learning anki telegram bot reverse engineering frontend chatgpt jenkins pipeline CI/CD communications feelings non-technical ONNX OpenVINO machine learning benchmarks CUDA Ubuntu Python VoIP SIP RaspberryPI Asterisk FreePBX netron