or download the .zip file. ESP32-CAM; BMP280 pressure sensor; GPS Beitian BN-880. The code is intended to be used with PlatformIO IDE. 1) Auto-leveling 2) Altitude hold 3) GPS (NOT TO USE AT THE ...
Default value for maximum measurement distance is 4m, since HC-SR04 sensor can't measure reliably beyond that. However, if you are using another sensor or if you you don't care about distances larger ...