Using ESP32 as graphic card?

[defdefred]

Is it stupid to imagine using 1 microcontroller to run a primary application and one ESP32 to run as a dedicated graphic card?

[OzHawk]

It is definitely possible. Check out the link below for an Arduino Nano example of just that. https://www.instructables.com/Arduino-Basic-PC-With-VGA-Output/ You would be limited by the link speed beteen the primary processing microcontroller and the VGA microcontroller.

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On Thu, 2021-09-02 at 23:30 -0700, defdefred wrote: Is it stupid to imagine using 1 microcontroller to run a primary application and one ESP32 to run as a dedicated graphic card? — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub, or unsubscribe. Triage notifications on the go with GitHub Mobile for iOS or Android.

[defdefred]

A sort of client-server protocol will be needed... maybe on wifi :-)
I wonder the max resolution/color that could be achieve with a dedicated esp32...

[niutech]

You could use VNC protocol, see #97.

[mtraven]

I've got an esp32 receiving signals from 2 child board(espNow), making the display & handling user input (keyboard & mouse). With a 32bit display controller, it fell just short (~30lines) of 640x480. Bumped it down to 16bit, runs fine. I should note that my display is all textual, though it contains a LOT of very rapid changes (~100ms).

[ghost]

This is exactly how the Agon Light computer - a new eZ80 based machine - works.

It uses an esp32 running FabGL as the "graphics card". The esp32 and the eZ80 are connected via serial connection.

https://www.thebyteattic.com/p/agon.html