I got tired of reading theory, learning CAD programs and programming languages! I thought a little hands on tinkering would be nice for a change 
I salvaged some LED's from a scrapped wifi board and a pcb from a kids nightlight that failed. I wanted to see if I could hook up some LED's in series and run it from a 9v battery. Simple project made more complicated by not having a piece of vero board on hand, LOL. Nice bit was that by reusing the pcb, I was able to take advantage of an existing switch.
I salvaged some LED's from a scrapped wifi board and a pcb from a kids nightlight that failed. I wanted to see if I could hook up some LED's in series and run it from a 9v battery. Simple project made more complicated by not having a piece of vero board on hand, LOL. Nice bit was that by reusing the pcb, I was able to take advantage of an existing switch.
