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How To Tune mmWave Using HLKRadarTool

Auto-Calibration

1. Download the HLKRadarTool app for either Androidor Apple.

The default password to connect to the HLKRadarTool is "HiLink"

2. Ensure the mmWave radar you want to tune has LD2410 Bluetooth turned on. Home Assistant > Settings > Devices & services > ESPHome Devices > Select Device > Scroll down and toggle on ld2410 Bluetooth.

Radar Control Bluetooth.png

3. Open the app and select your device

Find Device.png

4. Turn on Engineering Mode

EM.png

5. Select More and then select Parameter settings

More and PS.png

6. Select Detect background noise

DBN.png

7. Insert Delay detection and Detection time values. (For iPhone users Delay detection cannot be 0). Then select Start. This will give us our reference values so we can auto-calibrate the mmWave sensor.

DD, DT and Start.png

8. Select Back to navigate to the Parameter settings. Then select one of the auto-calibration buttons.

Average - Sets the gate sensitivity to the average move and still energy

Average.png

Maximum - Sets the gate sensitivity to the maximum move and still energy

Max.png

Intelligent - Sets the gate sensitivity equal to or just above the maximum move and still energy.

Intelligent.png

Manual Calibration

1. Repeat steps 1-5 above.

2. Select Motion or Static sensitivity, change it to your desired value, and select Set.

Manual.png

3. Now your MSR-2 should be tuned to your environment!