# Web-based Demos for MMS Dyna Devices

This page provides an interactive web-based demonstration for MagTek MMS Dyna devices, showing how to communicate with Secure Card Reader Authenticators (SCRA) using multiple interfaces—including WebHID, MQTT, WebSocket (WSS), WebSerial, and WebBLE—for flexible, real-time device integration and testing.

### **Web-based Demo**

<table data-header-hidden><thead><tr><th width="203.6666259765625">Web HID Demo</th><th width="467.00006103515625">Summary</th></tr></thead><tbody><tr><td><strong>Web Demo</strong></td><td><strong>Description</strong></td></tr><tr><td><a href="https://rms.magensa.net/Test/demo/mmsdemo.html"><mark style="color:$tint;"><strong>WebHID USB Device Demo</strong></mark></a></td><td>This page provides an interactive WebHID demonstration for MMS Dyna devices, enabling direct USB communication using Chromium-based browsers to send commands and receive real-time device responses.</td></tr><tr><td><a href="https://rms.magensa.net/Test/demo/mmsmqttdevice.html"><mark style="color:$tint;"><strong>MQTT Device Client</strong></mark></a></td><td>This page provides a local client application that enables MQTT-based communication with MMS devices, acting as a bridge for secure publish/subscribe messaging between browser demos and connected hardware.</td></tr><tr><td><a href="https://rms.magensa.net/Test/demo/mmsMQTTDemo.html"><mark style="color:$tint;"><strong>MQTT Device Demo</strong></mark></a></td><td>This page provides an interactive demonstration of MQTT messaging with MMS Dyna devices, allowing developers to send and receive device data using a lightweight publish/subscribe communication model.</td></tr><tr><td><a href="https://rms.magensa.net/Test/demo/mmsWebSocket.html"><mark style="color:$tint;"><strong>WSS Device Demo</strong></mark></a></td><td>This page provides a browser-based demonstration of secure WebSocket (WSS) communication with supported MMS devices, enabling persistent, full-duplex, real-time data exchange over a single TCP connection.</td></tr><tr><td><a href="https://rms.magensa.net/Test/demo/mmsdemoSerial.html"><mark style="color:$tint;"><strong>WebSerial Device Demo</strong></mark></a></td><td>This page provides an interactive WebSerial demonstration for MMS devices, allowing direct serial communication from a browser to test command transmission and device response handling.</td></tr><tr><td><a href="https://rms.magensa.net/Test/demo/mmsdemoble.html"><mark style="color:$tint;"><strong>WebBLE Device Demo</strong></mark></a></td><td>This page provides a browser-based demonstration of Bluetooth Low Energy (BLE) communication with MMS devices, enabling wireless connectivity and data exchange using Web Bluetooth APIs.</td></tr></tbody></table>


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