I asked a chasidishe Rav who had ????? by R Moshe Zt”l a
???? re a/c or time clock 2 areas where R Moshe Zt”l was Machmir. Here is the gist of his answer “according to my logic it should not be a problem but R Moshe Zt”l would asser”
As exactly his response should be.
As exactly people’s response about the eruv is not.