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Home / Computer Hardware, Monitors & Peripherals / Hi-Link 24G Millimeter Wave Radar Human Presence Sensing Module Smart Sensor Non-Contact LD2410C

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Operating Frequency 24GHz ISM Band
Communication Interface UART (TTL Level)
Max Detection Range Up to 6 meters
Input Voltage 5V DC
Working Current < 100mA
Output Protocol Custom UART Protocol
Module Dimensions 36mm x 24mm x 3mm
Operating Temperature -20°C to +60°C
Antenna Type On-board PCB Antenna
Configuration Tool Android/PC Software Supported

5 reviews

A

Anonymous

Apr 16, 2026

Rating: 4/5

Good range, tricky config

Detection range is solid up to 5 meters. Configuration software took some time to understand but works well once set.

A

Anonymous

Apr 12, 2026

Rating: 5/5

Perfect for Bathroom Lights

Installed this to control bathroom lighting. No more lights turning off while bathing. Very reliable.

A

Anonymous

Mar 29, 2026

Rating: 4/5

Solid Module

Good build quality. UART communication is straightforward. Wish the antenna cable was included for remote mounting.

A

Anonymous

Mar 15, 2026

Rating: 5/5

Great for Home Automation

Works perfectly with ESPHome. Detects me sitting still at my desk which PIR sensors miss.

A

Anonymous

Mar 01, 2026

Rating: 5/5

Accurate Presence Detection

Finally a sensor that knows I'm in the room even if I'm not moving. Voltage input is stable at 5V.

5 FAQ

Q: Is this compatible with ESP32?

A: Yes, it uses UART TTL which works perfectly with ESP32 GPIO pins.

Q: Can it detect motion through walls?

A: No, mmWave signals cannot penetrate metal or thick concrete walls effectively.

Q: How do I update the firmware?

A: You can use the official configuration tool via UART connection to flash new firmware versions.

Q: Does it require external antenna?

A: No, it has an onboard PCB antenna. External antenna pads are available on some variants but not needed for standard use.

Q: What is the maximum detection distance?

A: The LD2410C supports up to 6 meters depending on configuration and environment.

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