The concept we want to prove already exists in commercial products. 

Those drones are very expensive. That way, we want to try if a NIR-camera can detect some changes in vegetation, similar to the expensive ones like https://ag.dji.com/mavic-3-m.

For this experiment, we followed an instructable from ESA on how to hack a standard webcam: https://www.esa.int/Education/Expedition_Home/Infrared_Webcam_Hack_-_Using_infrared_light_to_observe_the_world_in_a_new_way