Télécharger Big Screen II sur PC

Big Screen II Sur iTunes

Big Screen II transmits, and optionally records, live video from the camera to a second screen connected by AirPlay.  The front-facing camera on the iPad behind the glass captures a video of the lecturer and his/her drawings and writing.  Big Screen II is part of a digital whiteboard developed in the Hines Lab in the Dept.  Instructions for constructing the digital whiteboard can be downloaded using a link provided in the app or from the supplemental information of the J.  App includes a link to instructions for a DIY document camera for videoconferencing lectures and office hours from home.  Hines, “A Blackboard for the 21st Century: An Inexpensive Light Board Projection System for Classroom Use,” J.  Because the front camera flips the image horizontally, the lecturer’s writing is not reversed.  Unlike a traditional white board, the lecturer cannot obstruct the writing.  The lecturer faces the classroom and writes on a sheet of illuminated glass with a fluorescent pen.  The controls are not mirrored to the second screen or the recording.  A full description of the whiteboard and instructions for its construction are given in E.  of Chemistry and Chemical Biology at Cornell University.  article listed above.  Educ.  Chem.  92, 1754 (2015).  Educ.  Chem.  Ortoll-Bloch, and M.  DeBenedetti, A.  Skibinski, W.  A big thanks goes to Kirby Turner of White Peak Software, Inc.  who wrote the original Big Screen and who graciously shared his source code.  Big Screen II is a de novo rewrite of Big Screen with added videorecording capability.  All bugs are mine.  Development of the digital whiteboard was supported by the National Science Foundation under Award CHE-1708025.