Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Operating Frequency | 60 GHz Millimeter Wave |
| Detection Range | 0.1m to 3.0m |
| Interface Type | UART / TTL |
| Supply Voltage | 3.3V DC |
| Current Consumption | < 60mA (Typical) |
| Dimensions | 25mm x 25mm x 4mm |
| Beam Angle | ±45 degrees |
| Output Data | Heart Rate, Breathing Rate, Presence Status |
| Operating Temperature | -20°C to +70°C |
| Antenna Type | Integrated PCB Array |
Anonymous
Mar 26, 2026
Rating: 5/5
Incredible precision for non-contact sensing
I integrated this LD6002 module into a smart home sleep monitor prototype. The ability to detect breathing and heart rate without any wearable straps is impressive. The UART output is clean and easy to parse with an ESP32. Highly recommended for IoT developers.
Anonymous
Mar 24, 2026
Rating: 5/5
Perfect for health monitoring projects
Used this for a university project on elderly care monitoring. It successfully detects when a person is in bed and monitors their respiratory rate. The form factor is small enough to hide inside a bedside lamp casing. Very satisfied with the performance.
Anonymous
Mar 21, 2026
Rating: 4/5
Solid performance, clear documentation
The datasheet provided by Hi-Link was helpful in getting started quickly. The module responds fast to movement changes. I deducted one star because the cable connector is a bit fragile, but the sensor itself is top-notch.
Anonymous
Mar 17, 2026
Rating: 5/5
Best mmWave module in this price range
I have tested several radar modules, and the LD6002 offers the best balance of cost and capability. The micro-motion detection is sensitive enough to pick up chest expansion from breathing even through thin blankets. Excellent product.
Anonymous
Mar 13, 2026
Rating: 5/5
Reliable and low power
Power consumption is lower than expected, which is great for battery-operated devices. The data stream is consistent, and I haven't experienced any dropouts during week-long testing. A must-have for advanced presence sensing applications.
Anonymous
Mar 01, 2026
Rating: 4/5
Great sensor, needs careful calibration
The hardware quality is excellent and the 60GHz frequency provides good resolution. However, getting stable readings required some tuning of the distance parameters in the firmware. Once calibrated, it works very well for presence detection and vital signs.
Q: Does the module work in complete darkness?
A: Absolutely. Since this is a radar-based sensor using radio waves, it does not rely on visible light and functions perfectly in total darkness.
Q: Can this sensor detect heart rate through clothing or light blankets?
A: Yes, the 60GHz millimeter wave technology can penetrate light materials like clothing and thin blankets to detect micro-motions associated with heartbeat and breathing.
Q: Is an external antenna required for operation?
A: No, the LD6002 comes with an integrated PCB antenna array. No external antenna is needed, which simplifies the mechanical design of your final product.
Q: Can I adjust the detection range via software?
A: Yes, the detection range and sensitivity zones can be configured via specific UART commands sent to the module. Please refer to the protocol document for the command set.
Q: What is the communication protocol used for data output?
A: The module outputs data via a UART interface at standard TTL levels (3.3V). You can connect it directly to microcontrollers like Arduino, ESP32, or STM32.
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