html5 drawing matrix

I need draw letters similar to "B" from video below . No js libraries or jquery just using html5 canvas drawing metods. when letters clicked they show in texbox ,check "[login to view URL]" similar to calculator. the page must turn side to side like in video matrix rain in letters use "0,1" you can skip most of the background just something similar to middle line across screen would be nice. have a question talk to me thanks!