Figure 1

Measurement system, (a) schematic diagram: (1) laptop, (2) control unit (Arduino UNO), (3) pixy2 camera, (4) cover, (5) grains, (6) black plate, (7) grain chamber: (b) real view; (c) block diagram.

Measurement system, (a) schematic diagram: (1) laptop, (2) control unit (Arduino UNO), (3) pixy2 camera, (4) cover, (5) grains, (6) black plate, (7) grain chamber: (b) real view; (c) block diagram.