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Sensor_LD24B

This is a mmWave prescense sensor based on the LD2410B sensor, primarily for use in Home Assistant.

Minion for scale

Parts needed

Model Link
HLK-LD2410B-P (With BLE) AliExpress link
USB-C Breakout, Type-C Female AliExpress link

Assembly

LD2410B Pinout USB-C Pinout

  1. Connect pin V on the USB breakout to pin VCC on the LD2410B board.
  2. Connect pin G on the USB breakout to pin GND on the LD2410B board.

Soldered up

Enclosure

The enclosure consists of two parts that is snapped together.

  1. Insert the LD2410B board into the designated slot in the enclosure, use either double sided tape or hot glue if needed.
  2. Insert the USB breakout into the lid, use hot glue if needed.
  3. Snap on the lid.

Files

The files for the enclosure is located in the Enclosure folder.

File name Description
LD2410B Box.3mf Box part of enclosure
LD2410B Lid.3mf Lid part of the enclosure
LD2410B Enclosure.f3d Fusion360 file

Software

Home Assistant supports the LD2410B sensor out of the box, the only thing needed is activation of the Bluetooth support, either natively or via a Bluetooth proxy.Check out the Home Assistant documentation for more information.