Read out the value of the potentiometer from Arduino Port A0 over the RS232 to the Python Program. Download the Arduino program and upload this example to your Arduino UNO. Then download the folder ...

This example demonstrates how serial communication can be implemented, how ports are opened, closed on Raspberry Pi to communicate with Arduino via COM Port RS232 by using CODESYS. The Demo set the ...

In researching industrial controls projects for my “Introduction to PLCs” and “Advanced Programmable Logic Controllers” courses that I teach at a local Alabama community college, I was quite surprised ...

Back in October 2000 we described a versatile I2C bus interface that plugged into the PC printer port. Nowadays the PC serial port is rarely used for keyboard or mouse connection so it’s sensible to ...

If you use the Arduino IDE to program the ESP32, you might be interested in [Andreas Spiess’] latest video (see below). In it, he shows an example of using all three ESP32 UARTs from an Arduino ...

Early 1995, Yamaha introduced a new range of synthesizers with interesting interface capabilities. For the first time, these machines were compatible with three standards: MIDI, Macintosh and PC. To ...