A Beginner's Guide to HLK-LD2410C 24GHz Radar Sensor

Hello tech enthusiasts!

Today, let's delve into the fascinating world of the HLK-LD2410, a 24GHz Human Presence Radar Sensor. The exciting part? No coding required! In this tutorial, we'll walk you through the simple yet captivating process of connecting the HLK-LD2410 to the C3-Mini and exploring its features.

Step 1: Connection and Installation

Let's start by connecting the hardware. Here's a handy wiring guide for your HLK-LD2410 and C3-Mini:

HLK-LD2410	C3-Mini
Vcc	3V3
GND	GND
RX	TX
TX	RX

• After connecting the devices, ensure the correct voltage and ground connections. Next, head to your computer and install the "HLKRadarTool" app from Google Play (Android) or App Store (iOS).

Step 2: Radar Sensor Detection

• Once connected, dive into the world of radar sensor diagrams on your smartphone's central display.

Step 3: Exploring Radar Diagrams

• For those craving a deeper dive, enable the "Engineering Mode" for enhanced exploration.
  

Step 4: Diagram Analysis

• Photosensitivity Diagram: This timeline-like diagram illustrates the sensor's light-sensing capability over time.

• Detection Range Diagram: Explore how far the radar sensor can detect objects with this insightful diagram.
  

• Motion and Static Diagram: This is where the magic happens! Discover the secrets of motion and static detection. A pink curve sets sensitivity, while a blue curve indicates the strength of motion or static. It's like reading a radar story – if the blue curve is below the pink curve, it signifies weak motion or static; above indicates recognition. The x-axis, split into 8 values, helps pinpoint distances from the radar, making it easier to identify specific detection areas.
  

Congratulations! You've successfully integrated and explored the HLK-LD2410C radar sensor. Feel free to experiment with the diagrams and discover the full potential of this technology. Stay tuned for more practical tech guides!

Regards,

Cynthia & Melina