Text on TV

Photos and Links

Photos taken during development

Original Video Output

First 'proof of concept'

Original Video Output

First Serial Data Shown

Original Video Output

early non-inversed output

Original Video Output

Output pin enabled 1 cycle too late

Original Video Output

Output pin correctly enabled

Original Video Output

Self Documenting Hardware!

Links

Problems that remain unresolved

Dithered characters (176, 177 and 178) don't tile particularly well on an (8+1)x9 pixel grid. I've attempted to reduce the effect by having a more 'granular' pattern, but it's not perfect.

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You can find more stuff that we've written in the Read Me section.

The following files are available for download:

Version Date File Size
"Text on TV" article 1.1 2009-02-25 (PDF file) art_SerialVideo_02.pdf 1.4 MB
1.0 2009-02-06 (PDF file) art_SerialVideo_01.pdf 1.4 MB
circuit schematics 1.4 2009-06-20 (PDF file) sch_tm_14.pdf 57.8 kB
1.3 2009-05-20 (PDF file) sch_tm_13.pdf 50.5 kB
1.2 2009-03-17 (PDF file) sch_tm_12.pdf 48.3 kB
1.1 2009-02-25 (PDF file) sch_tm_11.pdf 43.1 kB
1.0 2009-02-06 (PDF file) sch_tm_10.pdf 41.2 kB
firmware (source + hex) 1.0.14 2009-09-05 (ZIP archive) code_tm_114.zip 110.2 kB
1.0.11 2009-06-25 (ZIP archive) code_tm_111.zip 79.5 kB
1.0.10 2009-06-20 (ZIP archive) code_tm_110.zip 79.1 kB
1.0.9 2009-06-09 (ZIP archive) code_tm_19.zip 58.9 kB
1.0.8 2009-05-20 (ZIP archive) code_tm_18.zip 58.4 kB
1.0.7 2009-03-23 (ZIP archive) code_tm_17.zip 57.8 kB
1.0.6 2009-03-10 (ZIP archive) code_tm_16.zip 58.0 kB
1.0.4 2009-02-25 (ZIP archive) code_tm_14.zip 56.5 kB
1.0.1 2009-02-12 (ZIP archive) code_tm_11.zip 47.0 kB
1.0.0 2009-02-06 (ZIP archive) code_tm_10.zip 44.9 kB
example client code 1.1.0 2009-03-06 (ZIP archive) Brownian_01_1.zip 9.5 kB
1.0.0 2009-02-20 (ZIP archive) Brownian_01.zip 9.3 kB
example client code (skiing) 1.0 2009-03-13 (ZIP archive) Skiing_1_0.zip 12.1 kB