I guess we should first join and discuss on Skype.
Let us divide the teams as mech,electronics and other.
Later each one can focus and we can put together our work and complete the project.
Please decide on a date convenient to all.
Surprisingly the Team Leader isnt responding, the reasons best known by the person. So let the other members come out with their options and proceed for the formation of the different responsibilities and communicate on the work table.
Identify the different components and the required skills for the same. persons with specific knowledge may be grouped in consultation and the comfort zone suitable in the group and start the programme in steps.