[rescue] Microcontrollers and terminals

[Richard]

In article <58d94479-8db5-c433-1b3f-741dee558949 at 661.org>,
    David Griffith <dave at 661.org> writes:

> With the talk about microcontroller-powered terminals, I figured I'd look 
> at this again.  I have two boards and built one.  The one I built one and 
> wasn't that impressed.  What I really want is something that can produce 
> full color VGA and perhaps SVGA.  What I've seen so far only does 
> monochrome VGA.  This would allow more fun with ReGIS and Sixel graphics. 
> The big trick seems to be that most microcontrollers seem incapable of 
> bitbanging full color.

Take a look at the Raspberry Pi Pico.  It has dedicated PIO units that
relieve the processor of low-level bitbanging and plenty of people
have demonstrated color VGA output using these units.  People have
also successfully generated HDMI output from the pico.

The Pico costs ~$4.
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