Pictures of the extension board.
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Here are the two board connected together |
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The two boards and the LCD module. |
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The whole enchilada: power supply in the top right and a bread board, which was the home of the IO extension before. |
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Close-up of the extension board. Data OUT and Address OUT connectors are missing - I'll solder them once I have a second Extension board. |
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Another close-up of the extension board. |
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The father of the extension board. A prototype to verify the logic - quite a mess on a breadboard. |