Making displays

I’ve enjoyed making the displays I’ve needed.  I’ve used lots of LED types, from one or 2  status LED’s to bar graphs and 7 segment LED’s.




They’re great for clocks or thermometers or volt/ammeters or anything really.

While LCD’s are great at scrolling output and displaying a number of text or number parameters.

It’s even possible to make a composite output from a microcontroller using only 2 resistors.  Hook this up to a large LCD or an old CRT and you have a great retro display.


Which ever display I use I try to choose an interface with the lowest pincount possible.  The software library also needs to be as easy to use as is practicable.

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