Eight digital outputs act as the parallel interface. When a byte is received over serial, the individual bits are set on the individual digital lines connected to the printer’s parallel port.

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.

Connecting the Intel® Edison board to your Android* Phone with Serial Port Profile (SPP) describes how to connect your Edison board to Android* Phone with SPP, however, you cannot get the input ...

Adafruit has unveiled a new addition to their range in the form of the Adafruit Metro Mini 328 that has been designed dot provide a USB-to-Serial connection. The Adafruit Metro Mini 328 takes the ...