Since non-of the expert technicians is able to help me make the SIDAC circuit work, I'll have to forget i.e. lose the SIDACs ($40 spent) and settle for this EA circuit, kindly submitted by debe & bertus using 8 parts; since I only need to buy 15x cheap B151-500R.
I'll just Uhu-glue the parts onto small pieces of table gladding material and wire 15 of them up for all our fluorescent tubes. I prepared it in this way:
I'll just Uhu-glue the parts onto small pieces of table gladding material and wire 15 of them up for all our fluorescent tubes. I prepared it in this way: