![]() To communicate with such a device using your PC, its UART peripheral connects to your PCs serial port, with the help of an RS232 level shifter chip. ![]() UART enables these embedded devices to communicate serially with each other (RS232 / RS485 / Modbus), but also a PC. UART stands for Universal Asynchronous Receiver/Transmit. Think Arduino, Atmel AVR, Microchip PIC, STM32, etc.Īll microcontrollers still feature a UART subsystem. But who actually still needs a serial port in the day and age of USB? Typically those working with microcontroller based systems. As did my modem for dialing-in to my Internet provider over the phone line. The mouse of my first PC connected to the serial port. In this article I’ll introduce you to few popular programs to monitor the serial port in Linux. Once connected, you might wonder: How do I monitor the serial port in Linux? Luckily several tools exist, both for the terminal and with a GUI. ![]() ![]() With the help of an RS232-to-USB adapter you can easily connect them to your PC. Although modern PCs no longer come with a physical serial port, plenty of devices still require RS232 serial communication to interact with them. ![]()
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January 2023
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