is it easy enough to make a 4 channel timer any help please

Projects General Guidance
9

end results i want is touch screen what tells me my water ph / salinity/temp/to control 2 power heads ans 4 light out puts

so if i get what is on my list will that do the 4 light out puts for starters
and once i get the bits how do i connect them together
and is there a place i can learn how to write the program

thanks