I plan on putting it inside the relay casing at some point in my life. At this point I wanted to make sure that it's working in principle. Although there's nothing more permanent than temporary solutionsJayme wrote:the last one I made, I tore off the cover for the relay, and put the transistor and resistor inside the casing, then put the lid back on and glued. makes for a nice neat enclosed unit. as long as you remember its not really a relay anymore