Go to the HowTo category and you will most likely find what you need.
This is probably the post you are thinking of: https://discuss.eroscripts.com/t/how-to-connect-your-147-sex-toys-for-interactive-2d-and-vr-including-the-handy-fleshlight-launch-kiiroo-keon-vorze-lovense-and-more-step-by-step-guide-with-pictures/8275