ALLNET USB Relais für Android mit Eingang und Ausgang

This is an ALLNET USB relay module for Android (ALL-USB-Relay-Android) with one input and one output, designed so that an Android application can receive a signal from an external button and simultaneously switch a relay to activate other devices.

What it is and how to connect it

• USB-powered relay, designed to connect to an Android device (usually a screen, tablet, or box) via a standard USB port.

• It includes a potentially free input contact (for a push button, such as a doorbell) and a relay output to switch an external load.

Input function

• The input can trigger an action on the Android device, such as opening a web page, launching an application, or displaying a camera, using the official ALLNET app or a custom app via the API.

• The module reports the push event (ON/OFF) via the API, allowing the developer to program any reaction in their software.

Output relay function

• The built-in relay can control an external device (for example, opening a door, turning on a light, or activating other electronic devices), with a typical maximum load of 220 V / 10 A according to the datasheet.

• Switching is managed by commands sent from Android to the relay (relayOn/relayOff) via the virtual serial port exposed by the module.