HowTo: How to build a triac switching unit (SSR)
(Robert Stark)
Step 4 : Building a prototype (cont)
After you soak the copper clad board in acid for a while, clean it off, drill some holes, and mount some parts, this is what you wind up with. The triacs are mounted with long leads so they can be bent and moved a little depending on how or if you want to attach it to a heatsink.
