If you use the Arduino IDE to program the ESP32, you might be interested in [Andreas Spiess’] latest video (see below). In it, he shows an example of using all three ESP32 UARTs from an Ardui… ...

With this many I/O ports, the PSoC 5 is as useful as an FPGA, without all the hassle of actually being and FPGA. A really neat feature of the freeSoC is its ability to be programmed graphically.