ld2412

ESP32 + HLK-LD2412 24GHz radar intrusion detection system. Full alarm state machine, zones, Home Assistant/MQTT, Telegram bot, dark-mode web dashboard. No cloud required.

ESP32 PoE security node fusing HLK-LD2412 mmWave radar + WiFi CSI motion detection — Home Assistant/MQTT, OTA, web GUI.

ESP32-C3 room watchdog: mmWave presence detection with distance tracking (HLK-LD2412), sound detection and lossless audio streaming (MAX9814), pushing notifications to your phone via a self-hosted Gotify server

4-layer ESP32-S3 PoE board for mmWave human presence detection. Supports LD2410B/C, LD2420, LD2450, LD2412. Galvanic isolation between PoE and other components. Impedance-controlled Ethernet & USB traces. Designed in EasyEDA.

Self-hosted Python MQTT service for room-level presence fusion: LD2412/LD2450 mmWave, WiFi CSI and Home Assistant sensors combined into one confidence score. Docker, no cloud.

Ethernet (PoE) variant of HLK-LD2412-security — ESP32 + LAN8720A + 24 GHz mmWave radar intrusion detection