Hi Dave-in-nj Thanks for your interest,and your observations..I agree wholeheartedly with your views regarding concentrating on the. Primary subjects ,one is really interested in.
I also agree , that terryking288 posted a very enlightening ‘bunch’ of most useful suggestions,
I have’nt quite given up on the Artuino idea, just yet, still debating in my mind ,? As for the age, group, . Am well past my ‘sell - by’ date , and have depleted ‘ marbles’ left ! At 97 !!
Hence, my doubts !! Thanks, again,, best wishes..