In this quick Arduino tutorial I will explain how you can control a relay using the Arduino Board, one 1K and one 10K resistors, 1 BC547 transistor, one 6V or 12V relay, one 1N4007 diode and a 12V fan ...

The Raspberry Pi is a credit card-sized computer capable of running full-fledged Linux distributions such as Raspberry Pi OS, ...

On the surface, a programmable logic controller (PLC ... device built under these specifications will be recognizable to control engineers and maintenance personnel worldwide.

If your usual tools are the Arduino and the Raspberry ... you may find ladder logic a little frustrating. Originally, it was a documentation tool for relay logic but has grown to handle modern ...

To operate the transmitter, and especially to accommodate the vacuum-tube amplifier, older transmitters use relay logic, more typically known in broadcast engineering as a control ladder. Essentially ...