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IoT Center Workshop by InfluxData

Miroslav Malecha

Bonitoo

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InfluxDB is an open source time series database that empowers developers to build IoT, analytics and monitoring software. It is purpose-built to handle the massive volumes and countless sources of time-stamped data produced sensors, applications and infrastructure. This workshop showcases a fully functional sample application called IoT Center that is built on InfluxDB. This application demonstrates the capabilities of the InfluxDB platform to develop a JavaScript-enabled time-series-based application. It collects, stores and displays a set of values that include temperature, humidity, pressure, CO2 concentration, air quality, as well as provide GPS coordinates from a set of IoT devices. With this data stored in InfluxDB, the application can query this data for display as well as write data back into the database.
This hands-on workshop will show students how to install this open source code to learn how to query and write to InfluxDB using the InfluxDB JavaScript client, and gain familiarity with the Flux lang query language which is designed for querying, analyzing, and acting on time series data. And finally, collect and visualize performance data of the Node JS application.

Prerequisites

Registered free InfluxDB Cloud account at https://cloud2.influxdata.com
Three options available (via Google account, via Microsoft account or via email)
Test login after the registration and save credentials for the workshop
Installation of the git tool (e.g. from https://git-scm.com/downloads)
IoT Center clone
Run: git clone https://github.com/bonitoo-io/iot-center-v2
Installed nodejs (from https://nodejs.org/en/download)
Installed yarn package manager (from https://classic.yarnpkg.com/en/docs/install)
Installed required packages
In the cloned directory
Run: cd app
Run: yarn install

This workshop has been presented at Node Congress 2021, check out the latest edition of this JavaScript Conference.

FAQ

InfluxDB is a time series database designed from the ground up to handle high write and query loads. It is a time series platform that can process a huge amount of time-series data very quickly.

The IoT Center is a simple application primarily designed for educational purposes to demonstrate how to integrate InfluxDB with any Node.js based application. It covers functionalities like writing data, querying data, and managing InfluxDB configurations.

You can monitor a Node.js application by capturing and sending performance metrics (like CPU and memory usage) to InfluxDB. This includes setting up a monitoring script that collects data and writes it to InfluxDB periodically using InfluxDB's JavaScript client library.

InfluxDB templates are preconfigured resources like dashboards, tasks, and alerts that can be imported to quickly set up monitoring for various applications and services. They help in accelerating the setup process for monitoring with ready-made visualizations and data configurations.

Yes, InfluxDB offers a free tier which is time-unlimited and suitable for smaller use cases with some limitations on data retention and operation capabilities. It's ideal for personal projects or small-scale applications.

node.js iot

Miroslav Malecha

131 min

15 Jul, 2021

Comments

Video Summary and Transcription

This Workshop introduces IoT Center, a monitoring application based on InfluxDB. It covers installation, UI, libraries, and monitoring Node.js applications. InfluxDB is a scalable time series platform suitable for monitoring, analytics, and IoT applications. The IoT Center includes a virtual device emulator and supports temperature, humidity, pressure, CO2 level, and GPS coordinates. The Workshop also explores querying data, managing configuration entities, and adding geovisualization to the dashboard.

Available in Español: Masterclass de IoT Center por InfluxData

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