{"product_id":"hlk-ld2410-24ghz-human-presence-radar-sensor-module-compoden","title":"HLK-LD2410 24GHz Human Presence Radar Sensor Module | Compoden","description":"\u003ch1\u003eHLK-LD2410 24GHz mmWave Human Presence Radar Sensor Module\u003c\/h1\u003e\n\n\u003cp\u003eThe HLK-LD2410 is a 24GHz mmWave radar sensor module that accurately detects human presence, movement, and stationary status. Ideal for occupancy sensing in smart homes, lighting control, and security systems, it offers a robust alternative to PIR sensors by detecting through non-metallic materials and remaining unaffected by temperature changes.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Frequency\u003c\/td\u003e\n\u003ctd\u003e24GHz - 24.25GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDetection Range\u003c\/td\u003e\n\u003ctd\u003eUp to 8m (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDetection Angle\u003c\/td\u003e\n\u003ctd\u003e100° conical field\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCommunication Interfaces\u003c\/td\u003e\n\u003ctd\u003eUART, GPIO, I2C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V - 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e~150mA active\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-occupancy-based-lighting\"\u003eSmart occupancy-based lighting control system\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eElderly fall detection and monitoring solution\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-ai-presence-room-controller\"\u003eConference room presence detector for booking systems\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eIntelligent air conditioner or fan control based on room occupancy\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eCompatible with 3.3V and 5V microcontrollers including Arduino, ESP32, and Raspberry Pi. Works seamlessly with development boards supporting UART or I2C communication. The module provides both simple binary presence\/absence output and detailed serial data including distance and movement status.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect VCC to 3.3V-5V, GND to common ground, and RX\/TX for UART communication. Use an external 3.3V level shifter if interfacing with 5V logic systems, though the module pins are 5V tolerant.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino?\u003c\/summary\u003e\u003cp\u003eYes, connect via UART (RX\/TX) and use the HLK-LD2410 Arduino library for easy integration and data parsing.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan it detect through walls?\u003c\/summary\u003e\u003cp\u003eIt can detect through non-metallic materials like drywall or glass, but detection range may be reduced depending on thickness and material.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the difference from PIR sensors?\u003c\/summary\u003e\u003cp\u003eUnlike PIR sensors, the HLK-LD2410 detects stationary human presence and provides precise distance data, while remaining unaffected by ambient temperature changes.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444954358125,"sku":"CDN-0248","price":440.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_4008d06b-ad2c-4fff-9288-f48c80b55a96.jpg?v=1781512346","url":"https:\/\/compoden.com\/products\/hlk-ld2410-24ghz-human-presence-radar-sensor-module-compoden","provider":"Compoden","version":"1.0","type":"link"}