The ld2420 sensor allows you to use your LD2420 24GHz mmWave Radar Sensor to approximate the distance between the sensor and an object moving within its field of detection.

The LD2420 is a high-performance 24GHz mmWave radar sensor designed for human presence detection, capable of sensing motion, micro-motion, and stationary targets within a range of up to 8 …

The LD2420 is a millimeter-wave (MMWave) sensor designed for motion detection and presence sensing applications. Operating in the 24 GHz frequency range, it offers high sensitivity and …

Jul 23, 2025 · This comprehensive tutorial has covered everything you need to know about interfacing the HLK LD2420 radar sensor with Arduino. From basic detection to advanced smart home …

Jan 29, 2025 · The HLK-LD2420 is a 24 GHz microwave radar module for detecting motion and human presence within 0.2-8m, ideal for IoT, smart homes, security, and healthcare.

Nov 2, 2023 · HLK-LD2420 is mainly used to detect whether there is movement or slight movement of the human body in the indoor scene perception area, and refresh the detection results in real time. It …

Jan 2, 2025 · With this setup, you should be able to take full advantage of the LD2420’s presence detection capabilities and advanced configuration features within Home Assistant.

HLK-LD2420 is a high performance 24 GHz radar module with one transmitter and one receiver antenna.

HLK-LD2420 is mainly used in indoor scene sensing to see if there is a moving or slightly moving human body in the area, and to refresh the detection results in real time.

Key features, pinout, electrical characteristics, block diagram, and application circuit for high performance 24ghz radar module.