I need cpu / controller that is able to communicate on high speed with 2 serial ports at the same time. 1 serial on 57.7k, other serial speed could be lower.
It's for communication to RS485 devices. Means: polling on high speed line, answer in 15ms.
So question is now, has somebody advice on which arduino board could be used. And which libraries could be used for that. (first tests on standard uno, is not working, and for sure can forget simulation of serial line on normal digital pins.)
Hope somebody has some feeling / could advice on this.
A ESP32 using the ESP32's Serial API or the Arduino Core.
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