Re:Dry erase board lined with IR sensors to record pen strok...
by FireBeyond on Friday September 11, 2015 @09:03PM
(#10206886)
If parts for your prototype are around $150, most conventional electronic product pricing wisdom would put this at around $600-$750 retail.
Also, another person in this thread mentioned a 42" one from China thats $120 [1]. That is more in the "cheap" range.
[1] http://goo.gl/N02wRa