Ask one clear question and watch the planchette spell an answer on the board. The online experience is a symbolic exercise, not evidence of spirits, prophecy, or contact with the dead. The page also explains the board's history and the ideomotor effect, a psychological account of how small movements can occur without conscious intention.
Keep the result in perspective: do not use it for medical, legal, financial, or safety decisions. If a session feels distressing, stop and speak with someone you trust.