🚀 Rd-03D V2 Radar Module: Precision Meets Intelligence
The Rd‑03D V2 🚀 is a next‑generation 24GHz radar module 📡 that delivers precise human presence detection 🧍, intelligent motion tracking 🏃, and seamless integration 🔗 for smart home 🏠, security 🛡️, and IoT applications 🌐 .
🌟 Key Upgrades in V2
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Enhanced Detection Accuracy — Optimized algorithms for finer human presence and motion recognition
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Improved Anti‑Interference — Stronger resistance to Wi‑Fi and environmental noise for stable performance
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Lower Power Consumption — Refined circuit design ensures efficient operation ≤200mA
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Compact & Robust Design — DIP‑5 package with improved reliability for long‑term use
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Seamless Integration — Faster APP tuning, UART interface, and flexible IO for diverse IoT applications
🧠 Intelligent Sensing
The Rd‑03D V2 leverages 24GHz FMCW radar technology with the S5K3M110 chipset to deliver:
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Multi‑target detection in real time
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Human presence recognition (static, micro‑motion, movement)
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Speed and distance measurement with higher precision
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Intelligent positioning and trajectory tracking
📊 Rd‑03D V1 vs V2 Comparison
| Category | Rd‑03D V2 | Rd‑03D V1 | Upgrade Highlights |
|---|---|---|---|
| Chip Solution | ICL1122 | S5KM312CL | V2 adopts a new‑generation chip with stronger performance and smarter algorithms |
| Human Presence Detection | Supports single‑person mode with presence detection (static / micro‑motion / movement) | Not supported | V2 adds a key feature for smart lighting, security, and automation |
| Algorithm Capability | Optimized FMCW algorithm with enhanced trajectory tracking and positioning | Basic detection only | V2 delivers faster, more accurate recognition |
| Anti‑Interference | Reinforced resistance to Wi‑Fi and environmental noise | Basic anti‑interference | V2 ensures stable operation in complex environments |
| Application Scenarios | Smart home, smart security, smart lighting, commercial IoT | Basic smart home and security | V2 expands into broader, commercial‑grade use cases |
| Stability | Designed for long‑term, reliable operation | Standard stability | V2 is more robust for continuous deployment |
⚙️ Technical Specifications (V2)
| Parameter | Specification |
|---|---|
| Product Model | Rd‑03D V2 |
| Frequency Band | 24–24.25GHz |
| Chip Solution | S5K3M110 |
| Power Supply | 3.0–3.6V |
| Current Consumption | ≤200mA |
| Detection Distance | Up to 6.5m |
| Detection Angle | ±60° |
| Tuning Method | APP |
| Package Form | DIP‑5, 2.54mm pin row |
| Module Size | 15 × (44 ±0.2) mm |
| Antenna Type | On‑board antenna |
| Interface | UART |
| Available IO | 1 |
| Baud Rate | 115200bps |
| Application Scenarios | Smart home, security, lighting, IoT |
🔌 Pinout Description
| Pin | Name | Function |
|---|---|---|
| 1 | 5V | Input power supply |
| 2 | GND | Ground |
| 3 | TX | UART_TX |
| 4 | RX | UART_RX |