I bought one of these -6 Monte ago, no browser issue, but the cable broke. I'm looking at them three power slots longingly. But what is the Ec1 and Y1 for?

Hi I have been recently looking at a few RPI GPIO breadboard projects and I know that most (if not all) components need some kind of resistance. I am looking for a comprehensive list of all the components I would probably ever use and the required/recommended resistances for the components. All I ha...