In this tutorial, your will learn how to use QNAP QIoT Historic Chart Widget of dshboard.
- Add a QBroker node in Rule engine and set up data. Please refer to “How to use Dashboard (After updating QIoT Suite Lite from v1.1.1 to v1.1.2) ?“.
- Add a inject node and set up repeat time; add a QHistoricData node and set up parameters (See Figure 1, 2) then connect QHistoricData node (See Figure 3), inject node and Qbroker node together. As below:
- Go to Dashboard, add a QIoT Historic Chart widget and set up data. In CHART DATA, chose the datasource name you have set up in QBroker. The order must follow: datasource[“qiotrule_YOUR NAME”] > [“result”] > [“0”] > [“data”]
- Click Save and Finished Editing. You can see the historic data as below.
For more tutorial, please refer to https://qiot.qnap.com/blog/en/category/learn/