Serial Plotter is an amazing tool available in Arduino IDE (from v1.6.6) to visualize the “returned” data beyond just seeing numbers spit out onto the traditional serial monitor window. The Arduino ...

Serial Port Monitor from Eltima The Serial Port Monitor software tool from Eltima Software is, in fact, a professional port sniffer and analyzer system utility good for RS232/RS422/RS485 port ...

Last year we wrote about [Alex Spataru]’s Serial Studio project, which started life as serial port data visualizer, like a souped-up version of the Arduino serial plotter. [Alex] has been ...

In it, he shows an example of using all three ESP32 UARTs from an Arduino program. He calls the third port “secret” although that’s really a misnomer.