Skopos
Advanced Setup
Prerequisites
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Your Home Assistant instance must be set to Metric units.
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The ESPHome Device Builder add-on must be installed in Home Assistant.
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The Plotly Graph Card must be installed via HACS:
https://github.com/dbuezas/lovelace-plotly-graph-card?tab=readme-ov-file#installation -
This setup uses an open-source project that is no longer actively maintained.
Use it at your own risk:
https://github.com/53l3cu5/ESP32_LD2450
Switching Home Assistant to the Metric System
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Go to Settings → System → General.
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Under Unit System, select Celsius, kilograms (Metric).
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Click Save.
Pre-flashed ESPHome Configuration Setup
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Install the sensor by following the link.
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After installation, you should see the moving target coordinates displayed in millimeters.
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Finding the Device ID
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Click on the Target1 X coordinate value.
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Then click on the gear icon to open the settings.
Device ID Selection
Select and copy the device ID as shown in the image.
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Generating the Required Configuration
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Open the configuration generator: https://53l3cu5.github.io
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Paste the device ID you copied earlier into the Device Name field.
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The Friendly Name can be any human-readable device name.
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Specify the remaining parameters as shown in the image and hit Generate button.
Creating the zone.h File in Home Assistant
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Copy the generated content for the zone.h file.
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On the host where Home Assistant is running, use any file editor to create a new file at:
/homeassistant/esphome/zone.h
and paste the copied content into it.
Adding the Plotly Graph Card
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Install the Plotly Graph Card by following these instructions:
https://github.com/dbuezas/lovelace-plotly-graph-card?tab=readme-ov-file#installation -
Add the Plotly Graph Card to your dashboard.
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Click Show Code Editor in the bottom-left corner.
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Paste the Plotly graph content generated by the configuration generator.
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You should now see an empty LD2450 sensor map on the dashboard.
Sensor Zone Configuration
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Select the sensor in Settings → Devices & Services → ESPHome.
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Specify Zone1 parameters as shown in the picture.
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Return to the dashboard to see the new zone displayed on the Plotly Graph Card.
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Adjust the zone parameters to understand how the coordinates work.
Zone Automation
Use the zone presence entity states to create new automations in Home Assistant.