You need a proof of concept to demonstrate both to yourself and others that your idea is worthy of a full implementation. Usually this means writing real code;

You need a proof of concept to demonstrate both to yourself and others that your idea is worthy of a full implementation. Usually this means writing real code; not a ton, necessarily, but enough for a Show HN. To get others interested in your project, you have to have enough to convince them to participate. Don’t make vaporware.