Good to know.martin manning wrote: ↑Sun Oct 11, 2026 6:37 pm The strange looking plate curves may be oscillation. I guess you could try shortening your leads or adding ferrites.
Don't have any ferrites for now.
I expect to order them when I get round to boxing the PCB.
That may be some time given my lack of construction skills but I will update here at that time.
Many thanks for the help and advice.