I updated the notebooks to the current Julia version 1.11 but linked the videos from last years. There haven't been any substantial changes.
Calculation of geometry data for assemby
Getting triangulation data from Triangulate.jl
Matrix assembly, solution, graphical representation
Pluto notebook: pluto/julia, html, pdf
Conditions on fluxes for scalar problems
Fluxes from the solution of local problems
Pluto notebook: pluto/julia, html, pdf
VoronoiFVM.jl Julia package for PDE System solution via Voronoi Finite Volumes