Based on the awesome EasyTarget's ESP32-cam webserver - https://github.com/easytarget/esp32-cam-webserver which itself was based on 'official' ESP32 Camera example sketch from Espressif: https://github.com/espressif/arduino-esp32/tree/master/libraries/ESP32/examples/Camera/CameraWebServer. Supporting sketches from RandomNerds - - and Selvent????
Challenge: Measure the exact height (+/- 20mm) of a 6 meter x 200 meter pile of Sugar Beet.
Solution: Non-contact distance measure and streaming camera mounted on a mobile gantry (or equivalent) at a sufficient height to measure the top of the Beet pile 
Dashboard: