Head tracker with arduino

{"assets_hash":"a8b26fa7f6e768b07a72c8c9aadb9422","page_data":{"users":{"527f2dbb3df9550077730025":{"_id":"527f2dbb3df9550077730025","hid":183242,"name":"feosky","nick":"feosky","avatar_id":null,"css":""}},"settings":{"blogs_can_create":false,"blogs_mod_can_delete":false,"blogs_mod_can_hard_delete":false,"blogs_mod_can_add_infractions":false,"can_report_abuse":false,"can_vote":false,"can_see_ip":false,"blogs_edit_comments_max_time":30,"blogs_show_ignored":false,"blogs_reply_old_comment_threshold":30,"votes_add_max_time":168},"entry":{"_id":"55b62a139970730077112d46","hid":20613,"title":"Head tracker with arduino","html":"<p>Разработка была взята на <a href=\"http://www.rcgroups.com/forums/showthread.php?t=1677559\" class=\"link link-ext\" data-nd-link-orig=\"http://www.rcgroups.com/forums/showthread.php?t=1677559\" target=\"_blank\" rel=\"nofollow noopener\">rcgroups</a><br>\nРаботает на 7 и 8 канале.</p>\n<p><a href=\"https://photos.google.com/share/AF1QipOUicIN1S-PUGp7or6Tn0U3YR4byjqxHeU5dj9i4UyzAjmSY2B-julSLefN4CMN7Q?key=NTZTc1g5eWNSdnpzOE5KNHRoZk9semljM3NTMzVR\" class=\"link link-ext link-auto\" data-nd-link-type=\"linkify\" data-nd-link-orig=\"https://goo.gl/photos/tWS98nGZaPsBjrqx5\" target=\"_blank\" rel=\"nofollow noopener\">…google.com/…/AF1QipOUicIN1S-PUGp7or6Tn0U3YR4byjqx…</a></p>\n","user":"527f2dbb3df9550077730025","ts":"2015-07-27T12:54:43.000Z","st":1,"cache":{"comment_count":0},"views":326,"bookmarks":0,"votes":0},"subscription":null},"locale":"en-US","user_id":"000000000000000000000000","user_hid":0,"user_name":"","user_nick":"","user_avatar":null,"is_member":false,"settings":{"can_access_acp":false,"can_use_dialogs":false,"hide_heavy_content":false},"unread_dialogs":false,"footer":{"rules":{"to":"common.rules"},"contacts":{"to":"rco-nodeca.contacts"}},"navbar":{"tracker":{"to":"users.tracker","autoselect":false,"priority":10},"forum":{"to":"forum.index"},"blogs":{"to":"blogs.index"},"clubs":{"to":"clubs.index"},"market":{"to":"market.index.buy"}},"recaptcha":{"public_key":"6LcyTs0dAAAAADW_1wxPfl0IHuXxBG7vMSSX26Z4"},"layout":"common.layout"}