Deploy ThingsBoard CE on a 3-Node Bare-Metal Kubernetes Cluster
This post shows how I deployed ThingsBoard Community Edition (microservices, hybrid DB) on my existing 3-node bare-metal Kubernetes cluster, using: […]
Kubernetes, ThingsBoard
ThingsBoard
Apache Cassandra, Apache Spark, Debezium, ThingsBoard
When Delta Has More Rows Than Cassandra: ThingsBoard + Cassandra CDC → Debezium → Kafka → Spark → Delta Lake (TTL Gotcha)
Goal of this postDocument the exact debugging path we followed when our Delta table started showing more rows than Cassandra—step
ThingsBoard
How to Create a Mobile Dashboard for Devices in ThingsBoard CE
In our earlier post, How to Run the ThingsBoard Mobile App on Android (Self-Hosted Server), we walked through connecting the
Flutter, ThingsBoard
How to Run the ThingsBoard Mobile App on Android (Self-Hosted Server)
If you’re hosting your own ThingsBoard instance (e.g. https://thingsboard.maksonlee.com) and want to run the official mobile app on Android, this
Keycloak, ThingsBoard
How to Enable OAuth2 Login in ThingsBoard 4.0.1 Community Edition Using Keycloak and HAProxy
ThingsBoard is a powerful open-source IoT platform supporting device management, telemetry, dashboards, and multi-tenancy. In this guide, I’ll show you
Apache Spark, IoT, ThingsBoard
Filter and Transform ThingsBoard IoT Data for Analysis Using Spark SQL
Introduction Once you’ve synced ThingsBoard data into Delta Lake, including both entity data from PostgreSQL and time-series data from Cassandra,
Apache Spark, PostgreSQL, ThingsBoard
Sync ThingsBoard Entity Data from PostgreSQL to Delta Lake Using Spark SQL
This post shows how to keep a Delta Lake table synchronized with a PostgreSQL table using only Spark SQL and
Apache Cassandra, Apache Spark, ThingsBoard
Sync ThingsBoard Time-Series Data from Cassandra to Delta Lake Using Spark SQL
This guide shows how to mirror time-series data stored in ThingsBoard’s Cassandra database into a Delta Lake table using spark-sql.
ESP32, ThingsBoard
ESP32 Firmware for BLE Wi-Fi Provisioning and Secure MQTT with X.509 Authentication to ThingsBoard
In a previous post, I explained how to secure ThingsBoard using X.509 client certificate authentication and enable auto-provisioning.This post focuses
IoT, ThingsBoard
IoT Device Lifecycle: ESP32 + BLE Provisioning + ThingsBoard Auto-Provisioning
This post outlines the full lifecycle of an IoT device, from factory assembly to end-user operation, and ownership transfer. Devices