# Generalized 7 segment LED display driver

**URL:** https://forum.xod.io/t/generalized-7-segment-led-display-driver/1376
**Category:** Look What I’ve Done
**Created:** [November 16, 2018, 9:57pm UTC](https://forum.xod.io/t/generalized-7-segment-led-display-driver/1376 "2018-11-16T21:57:39Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![bitrex](https://avatars.discourse-cdn.com/v4/letter/b/eada6e/32.png) [@bitrex](https://forum.xod.io/u/bitrex)
#### Post date: [November 23, 2018, 7:47am UTC](https://forum.xod.io/t/generalized-7-segment-led-display-driver/1376/5 "2018-11-23T07:47:08Z")

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Revision 2 is ready, the first had a number of problems that have been fixed up now, including the glitching display issue. I changed the output nodes to output a pulse when the content of the display buffer changes plus a Text output of what it holds at a given time; this seems more useful for interfacing with other patch nodes than the generic “Done” pulse output when a transaction finishes it had before, you can have an “equals” node set to trigger when a given substring is detected and cause the display to do something else (I’ve done this in the example patch.) I’ve altered and cleaned up the character set a bit currently every letter of the alphablet should be more-or-less representable except for “X” so ah, just don’t use that one. 😉

[XOD 7 segment LED display patch in action](https://www.youtube.com/watch?v=IYa1nR2_4JY)

[7SegmentLED\_rev\_2\_11-22-18.xodball](https://canada1.discourse-cdn.com/flex027/uploads/xod/original/1X/d2c3afb2ea10b37b4d181169ed527e82aaaca146.xodball) (39.4 KB)

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