LetterBox

Status

Shelved. My business idea covers the need I had for this, and though the business is currently back-burnered, I do have the prototypes… I’ll leave this up for the history of it, though, at least for now.

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Below is the segment map for each digit in the SparkFun display, as defined in the datasheet. Note that this is different from the map in the Boredom project; the segments are lettered differently. Also, this is a common-anode display rather than common-cathode.

Finally, there are two anode groups per digit; one for A through G1, the other for G2 through N. You must scan each digit twice. Anodes labelled as DL# contain A..G1, and anodes labelled as DH# contain G2..N.

One of these days I’ll manage to draw segment maps that actually look right, rather than these abominations…