{"action":"created","issue":{"url":"https://api.github.com/repos/miguelbalboa/rfid/issues/101","labels_url":"https://api.github.com/repos/miguelbalboa/rfid/issues/101/labels{/name}","comments_url":"https://api.github.com/repos/miguelbalboa/rfid/issues/101/comments","events_url":"https://api.github.com/repos/miguelbalboa/rfid/issues/101/events","html_url":"https://github.com/miguelbalboa/rfid/issues/101","id":73339435,"number":101,"title":"WARNING: Communication failure, is the MFRC522 properly connected?","user":{"login":"brettbyrd","id":12255620,"avatar_url":"https://avatars.githubusercontent.com/u/12255620?v=3","gravatar_id":"","url":"https://api.github.com/users/brettbyrd","html_url":"https://github.com/brettbyrd","followers_url":"https://api.github.com/users/brettbyrd/followers","following_url":"https://api.github.com/users/brettbyrd/following{/other_user}","gists_url":"https://api.github.com/users/brettbyrd/gists{/gist_id}","starred_url":"https://api.github.com/users/brettbyrd/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/brettbyrd/subscriptions","organizations_url":"https://api.github.com/users/brettbyrd/orgs","repos_url":"https://api.github.com/users/brettbyrd/repos","events_url":"https://api.github.com/users/brettbyrd/events{/privacy}","received_events_url":"https://api.github.com/users/brettbyrd/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-05-05T15:03:34Z","updated_at":"2015-05-07T12:00:15Z","closed_at":null,"body":"I am new to ARDUINO. I have tried for the past two days to get the MFRC-522 to work with my Arduino UNO. I keep getting this message when I use the Dump Code \r\n\r\n********************\r\nMFRC522 Software Version: 0x0 (unknown)\r\nWARNING: Communication failure, is the MFRC522 properly connected?\r\n********************\r\nI set everything up just like in the sketch. \r\nAny help is appreciated\r\n"},"comment":{"url":"https://api.github.com/repos/miguelbalboa/rfid/issues/comments/99832895","html_url":"https://github.com/miguelbalboa/rfid/issues/101#issuecomment-99832895","issue_url":"https://api.github.com/repos/miguelbalboa/rfid/issues/101","id":99832895,"user":{"login":"Rotzbua","id":7337347,"avatar_url":"https://avatars.githubusercontent.com/u/7337347?v=3","gravatar_id":"","url":"https://api.github.com/users/Rotzbua","html_url":"https://github.com/Rotzbua","followers_url":"https://api.github.com/users/Rotzbua/followers","following_url":"https://api.github.com/users/Rotzbua/following{/other_user}","gists_url":"https://api.github.com/users/Rotzbua/gists{/gist_id}","starred_url":"https://api.github.com/users/Rotzbua/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Rotzbua/subscriptions","organizations_url":"https://api.github.com/users/Rotzbua/orgs","repos_url":"https://api.github.com/users/Rotzbua/repos","events_url":"https://api.github.com/users/Rotzbua/events{/privacy}","received_events_url":"https://api.github.com/users/Rotzbua/received_events","type":"User","site_admin":false},"created_at":"2015-05-07T12:00:15Z","updated_at":"2015-05-07T12:00:15Z","body":"Does one of the other codes work? Do you use 3.3V? Try the RST to RST of the arduino."}}