[sdiy] Am I crazy?

[Mark Rivera]

> [...] but if we are still considering the contact issues related to thumbtacks it seems like somebody missed something somewhere [...]

Since you asked, I am missing a marble. :S


>>>> For good electrical contact, the pieces need to be pressed
>>>> together. In this case, pressure exists initially as the thumbtack
>>>> pierces through the copper tape. But copper is not elastic so the
>>>> pressure drops as soon as the hole is made.
>>> Perhaps use braided sleeving (from shielded cables for instance) instead
>>> of solid copper tape?
>>> If you apply some tension to the sleeving the wires would press against
>>> the tack.
>> Desoldering braid might do the job.