COM ports on existing computers (where available) are mostly 9-pin male. However, with the robotics or control, the COM-RS232 is very popular for its simplicity and also because of. This standard is quite slow compared to USB. Today, with the emergence and "expansion" of the USB standard, the COM port (and either the LPT port or the parallel port) is disappearing.ĬOM port communication is RS232 serial communication. Write COM port program on PC (Visual C ++, Visual Basic)Ī COM port or Serial Port is a communications port that is part of the "aging" form of the PC, both desktops and laptops.Use functions in standard C export library such as printf, scanf.Create a virtual COM port on the PC for simulation purposes.Schematic diagram and function of the COM port pins on the computer.Specifically this article includes: Contents ![]() Comprehensive as I will guide you through the transition between AVR and PC, how to write program interface RS232 on the computer and on the AVR. It's simple because I'm going to use a rather "classic" interface to communicate between AVR and PC, RS232 interface via COM ports. This article will talk about how to communicate between AVR and PC in a simple but quite comprehensive way.
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