Display IO

Wearable@ Digital to Analog@ Character Sets@ Fiber optics

See also:

https://hackaday.io/project/18445-brainfcktor/log/50032-new-start-character-generator-tables-in-144-bytes Storing a low resolution font in very few bytes of data by re-using slices of the bitmap. James Newton of MassMind replies:
Another version:
https://docs.google.com/spreadsheets/d/1u6zqFNge6mukWzv72dKhRjwrWkqPM1-MtmagKRP4_X4/edit#gid=0+
+
http://www.rentron.com/project04.htm
http://www.ti.com/dlp
http://www.reefnet.on.ca/gearbag/wwwlux.html
http://www.fourmilab.to/documents/specrend/ Colour Rendering of Spectra .This paper explains how to calculate, given the spectral composition of a light source, what colour it will be perceived as by the human eye, and which red, green, and blue intensities best approximate it on a computer monitor.

LCD Front Panel Set: 2x16 LCD w/HD44780 controller, 4 push buttons, 3 LEDs and a 2x12 pin header. +

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Quick, Easy and CHEAP! RCL-1 RS232 Level Converter in a DB9 backshell
Ashley Roll has put together a really nice little unit here. Leave off the MAX232 and keep these handy for the few times you need true RS232!