Rancang bangun sistem pengamatan gerak brown dan pengukuran koefisien difusi pada microbead polystyrene (1 μm, 3 μ μm dan 5 μm) terlapisi nanogold particle (AuNPs) dengan bantuan machine learning = Machine learning based system design for observing the brownian motion of 1 μm, 3 μm and 5 μm polystyrene microbeads synthesized with nanogold particles and calculating its diffusion coefficient.