Blog
Project notes and guides to technology decisions, costs, and risks in business operations.
125 articles found
For Business
Hotel Management Systems for Independent Hotels
A complete guide to hotel management systems (PMS) for independent hotels: room status, bookings, overbooking, staff, and WhatsApp automation.
For Business
IoT Backends: MQTT, WebSocket, and Device Data
Ingesting MQTT, WebSocket, Modbus, and BLE telemetry, then normalizing it into one real-time data model.
For Business
Building a Hotel Management System for a Real Hotel
Building a hotel system in Pekalongan with Next.js 16, Drizzle, PostgreSQL, room state machines, and WhatsApp automation.
For Business
Building Dashboards That Connect Different Systems
A practical story about connecting system control, visitor management, and operational signals into dashboards teams can trust.
For Technical Teams
MQTT and WebSocket Backends for Real-Time IoT
A real freelance IoT story about MQTT telemetry ingestion, live WebSocket dashboards, nurse call systems, PLC integration, and multi-brand control systems.