Ultrasonic sensors, with their non-contact measurement, fast response, and moderate cost advantages, are widely used in building distance measurement, liquid level monitoring, and obstacle detection scenarios. This article comprehensively analyzes the key applications of ultrasonic sensors in building intelligence, covering working principles, technical parameters, selection criteria, and practical deployment.

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Vibration sensors are the core sensing elements of industrial equipment condition monitoring, known as the "stethoscope" of rotating machinery. This article provides a comprehensive overview of vibration sensors' key roles in building electromechanical equipment monitoring, covering technical principles, type selection, installation deployment, and data analysis.

In-depth comparison of Zigbee, WiFi and Bluetooth for IoT applications, providing selection guidance for smart building and energy monitoring projects.

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.

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.