Create NodeJS app mam_publish.js to emulate the sensor reading and publish the data to Tangle.To display the temperature data in real time without need to refresh the browser. SAP Analytics Cloud Analytics Application.HTML app to embed the SAP Analytics Cloud in an iFrame and receive the stream of data from NodeJS App and send to SAP Analytics Cloud. NodeJS app to receive the stream of data from Tangle and send to HTML app via websocket, socket.io that we installed in HANA XSA. We will use the side_key to encrypt and decrypt the data. Sensor Device: NodeJS app mam_publish.js to emulate the sensor temperature data reading and send the data in MAM to Tangle with restricted mode.In a nutshell, we will create the following parts: The message is encrypted by the side_key. ![]() Restricted mode: Anyone with a side_keyhas access to the message.Private mode: Only the publisher has access to the message. ![]()
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