How remote I/O works For a remote I/O system to work, it relies on a programmable logic controller. The PLC can process multiple points of data, including inputs and outputs. As such, these devices ...

In order to effectively solve the automation between patients and staff in a hospital room, we adopt the Programmable logic controllers (PLC) based contact hospital emergency calling device. After ...

Multiple quantum well (MQW) III-nitride diodes show selectable functionalities of light-emitting and light-detecting behaviors, enabling direct touchless device-to-device communication. Here, we ...