HLK-LD2411 24Ghz intelligent toilet radar sensor module

The LD2411 is a human distance sensing and gesture recognition module. It can recognize the user's gesture lifting and releasing movements, as well as detecting the user's movement into and away from the toilet, and outputting GPIO signals through the detected movements to allow the manufacturer's microcontroller to control the opening or closing of the toilet lid.

The module uses a 5V supply and the radar beam is designed in a wide and narrow way, with a horizontal angle (4 patch) of approximately ±20° and a vertical angle of ±40°, with adjustments made to the antenna placement direction depending on the scenario. For toilet applications, a narrow horizontal beam is recommended to avoid false triggering of the human body passing by.

Product Feature

• Plug and play, easy assembly method
• Sensing distances up to 2 meters, gesture recognition distances up to 1 meter
• Detectionanglecoverageupto±30degrees
• Distance sensing distance can be adjusted via Bluetooth
• The ultimate value-for-money choice

Product Parameters

• Frequency: 24.015G-24.245GHz
• Modulation Type: FMCW
• Detection Range: Adjustable 0.3~2.2m
• Detection Angle: ±45° (Horizontal) / ±20° (Vertical)
• Power Supply: 5V (Typ.)
• Current: ~50mA
• Maximum Equivalent Isotropic Radiated Power: 12dBM (Typ.)
• Frequency Sweep Bandwidth: 230MHz (Complies with CE/FCC certification standards)
• Operating Temperature: -40℃~+85℃
• Data Format: High-low level 3.3V & 0V
• Package Type: Default 1.27mm*5-pin female connector