{"action":"created","issue":{"url":"https://api.github.com/repos/OpenBCI/OpenBCI_Python/issues/45","repository_url":"https://api.github.com/repos/OpenBCI/OpenBCI_Python","labels_url":"https://api.github.com/repos/OpenBCI/OpenBCI_Python/issues/45/labels{/name}","comments_url":"https://api.github.com/repos/OpenBCI/OpenBCI_Python/issues/45/comments","events_url":"https://api.github.com/repos/OpenBCI/OpenBCI_Python/issues/45/events","html_url":"https://github.com/OpenBCI/OpenBCI_Python/issues/45","id":250684784,"number":45,"title":"Impedance testing ","user":{"login":"johnkmaxi","id":14312461,"avatar_url":"https://avatars2.githubusercontent.com/u/14312461?v=4","gravatar_id":"","url":"https://api.github.com/users/johnkmaxi","html_url":"https://github.com/johnkmaxi","followers_url":"https://api.github.com/users/johnkmaxi/followers","following_url":"https://api.github.com/users/johnkmaxi/following{/other_user}","gists_url":"https://api.github.com/users/johnkmaxi/gists{/gist_id}","starred_url":"https://api.github.com/users/johnkmaxi/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/johnkmaxi/subscriptions","organizations_url":"https://api.github.com/users/johnkmaxi/orgs","repos_url":"https://api.github.com/users/johnkmaxi/repos","events_url":"https://api.github.com/users/johnkmaxi/events{/privacy}","received_events_url":"https://api.github.com/users/johnkmaxi/received_events","type":"User","site_admin":false},"labels":[{"id":104231001,"url":"https://api.github.com/repos/OpenBCI/OpenBCI_Python/labels/enhancement","name":"enhancement","color":"84b6eb","default":true}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":9,"created_at":"2017-08-16T16:23:02Z","updated_at":"2018-02-09T04:25:19Z","closed_at":null,"author_association":"NONE","body":"@aj-ptw\r\n\r\nI'm working on getting impedance testing implemented on the OpenBCI using Python. The fact that it was not implemented in the original OpenBCI_Python code makes me wonder if this is a more difficult task than it seems.\r\n\r\nDoes anyone have any insight on this?\r\n\r\nBased on what I can find in the OpenBCI Processing GUI, the steps should be to\r\n1) activate lead off negative pin for each channel of interest\r\n2) grab the channel data coming from the board and use it for impedance calculations\r\n3) deactivate the lead off negative pin for each channel of interest\r\n\r\nAm I missing anything? Is anyone aware of anyone else who has got this up and running in Python?\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/OpenBCI/OpenBCI_Python/issues/comments/364331522","html_url":"https://github.com/OpenBCI/OpenBCI_Python/issues/45#issuecomment-364331522","issue_url":"https://api.github.com/repos/OpenBCI/OpenBCI_Python/issues/45","id":364331522,"user":{"login":"johnkmaxi","id":14312461,"avatar_url":"https://avatars2.githubusercontent.com/u/14312461?v=4","gravatar_id":"","url":"https://api.github.com/users/johnkmaxi","html_url":"https://github.com/johnkmaxi","followers_url":"https://api.github.com/users/johnkmaxi/followers","following_url":"https://api.github.com/users/johnkmaxi/following{/other_user}","gists_url":"https://api.github.com/users/johnkmaxi/gists{/gist_id}","starred_url":"https://api.github.com/users/johnkmaxi/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/johnkmaxi/subscriptions","organizations_url":"https://api.github.com/users/johnkmaxi/orgs","repos_url":"https://api.github.com/users/johnkmaxi/repos","events_url":"https://api.github.com/users/johnkmaxi/events{/privacy}","received_events_url":"https://api.github.com/users/johnkmaxi/received_events","type":"User","site_admin":false},"created_at":"2018-02-09T04:25:19Z","updated_at":"2018-02-09T04:25:19Z","author_association":"NONE","body":"No, I never finished the implementation. For the spectrograms, I simply\nrecorded the data and plotted the spectrogram using matplotlib.\n\nOn Thu, Feb 8, 2018, 6:54 AM Narasimha-Gururaj-LTTS <\nnotifications@github.com> wrote:\n\n> @johnkmaxi <https://github.com/johnkmaxi>,\n> Am trying to achieve the same on Cyton board. Did you succeed in getting\n> the impedance measurement?\n> Also, in your previous comment you had mentioned about recording the\n> impedance data and plotting spectrum. How did you do it?\n>\n> —\n> You are receiving this because you were mentioned.\n>\n>\n> Reply to this email directly, view it on GitHub\n> <https://github.com/OpenBCI/OpenBCI_Python/issues/45#issuecomment-364175918>,\n> or mute the thread\n> <https://github.com/notifications/unsubscribe-auth/ANpkDUNNIiPEKVUx4LksGv6yKixaay_-ks5tSya8gaJpZM4O5KLh>\n> .\n>\n"}}
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