MQTT has become the de facto standard for IoT sensor communication with its lightweight, low-power, and high-reliability characteristics. This article analyzes MQTT technical principles and applications in building sensor networks.

As building energy consumption continues to rise as a proportion of total societal energy use, HVAC systems—being the largest energy consumers in buildings—have become a focal point for efficiency optimization. This article explores how multi-type sensors enable refined energy efficiency management of HVAC systems from three dimensions: sensor data collection, intelligent control strategies, and practical application cases, helping building operators significantly reduce energy costs while maintaining comfort.

In-depth analysis of smoke and gas sensors critical roles in building fire safety, covering technology selection, deployment strategies, multi-sensor fusion, and linkage control solutions.

Infrared sensors have become a mainstream solution for people counting due to their non-contact, low-power, and high-response advantages. This article shares practical deployment techniques from the perspectives of selection points, installation positions, height angles, environmental interference avoidance, and multi-sensor fusion.

In-depth analysis of light sensor applications in smart lighting systems, covering core technologies such as constant illuminance control and zone-based dimming, providing professional guidance for building energy efficiency and comfortable lighting.

In-depth analysis of light sensor applications in smart lighting systems, covering core technologies such as constant illuminance control and zone-based dimming.

This article deeply analyzes the core application scenarios of pressure sensors in building water supply and drainage systems, providing practical guidance for engineers from selection parameters to installation deployment.

Temperature and humidity sensors are the most basic sensing elements in building intelligence. This article systematically reviews selection points from application scenarios, technical parameters, communication methods, brand selection to installation essentials, helping engineers and procurement personnel find the most suitable sensor solution for their project needs.

This article introduces sensor-based intelligent HVAC control strategies, including sensor deployment, load forecasting, VAV optimization, chilled water temperature reset, and multi-chiller coordination, with measured energy savings of 15%-30%.