crelay is used to control different relay cards in a unified manner. It provides\\ several interfaces for controlling the relays locally or remotely by a web browser\\ or a smartphone. The card which is detected first will be used. A WebUI control is\\ available on port 8000 (default)\\ . \\ Currently supported relay cards:\\ - Conrad USB 4-channel relay card\\ - Sainsmart USB 4/8-channel relay board\\ - Sainsmart USB 16-channel relay control module\\ - Generic GPIO relays\\ - HID API compatible relay card\\ \\