Electronic engineers, developers and hobbyists looking for a fully featured Arduino Mega compatible PLC ... several communication channels like 2 x RS232 serial port for HMI or other devices ...

While simulating an Arduino isn’t a new idea ... There is also another sample that uses the serial port. Unlike some other simulators, you can’t really add much external circuitry but ...

But everything else — clock, memory, and power — are from an Arduino Mega 2560. You could argue ... and sends that data to the Arduino serial port. It doesn’t appear to matter what I/O ...

Meanwhile, the Arduino Mega is getting the same USB chip along with an ATMega2560 processor with twice the memory. Right now only 128K is available, but that's a software limitation and they're ...