In it, he shows an example of using all three ESP32 UARTs from an Arduino program ... You simply use one of the additional serial port objects available. However, enabling UART 1 causes the ...

So let’s say your using an Arduino in your project. You already have the hardware-based serial interface working with one portion of the project and need a second serial port for unrelated hardware.

Arduino enthusiasts searching for an isolated USB to UART converter specifically designed for the Arduino Pro mini may be interested in a new piece of hardware created by Simone based in Italy.

The need for a second UART port ( and one that is not shared with USB) on the Arduino Uno is so great that the “SoftwareSerial” library in included in the Arduino IDE. It emulates additional ...

On-board jumpers allow the transmitter and receiver to be connected to a choice of Arduino I/O pins – default is Tx is connected to UART Serial pin 1 and Rx to UART Serial pin 0. The associated ...