Technical Specifications
Pre-release documentation. CeilSense Mini has not been officially released yet. The design, specifications and firmware can still change until release. Check ceilsense.nl for the current planning.
Dimensions
- Recessed body: Ø 67 mm
- Cut-out: Ø 68 mm
- Visible cap: Ø 68.1 mm
- Outer rim: Ø 85.61 mm
- Total height, recessed: 43.63 mm: 23.15 mm above and 20.48 mm below the ceiling surface
- Surface-mounted: Ø 68.1 mm × 57.78 mm high, including the 20 mm extension ring
- Space above the ceiling, recessed: 23.15 mm plus room for plugs and cables
- Maximum ceiling thickness: not published yet, follows at release
Mounting
- Recessed in a spotlight hole with spring clips
- Surface-mounted on a mounting plate, also on concrete. No large hole: only the cable needs to pass through.
- Connections on the ceiling side: RJ45 and USB-C
- Use: indoor only
Power
- PoE: IEEE 802.3af. Firmware planned for release.
- USB-C: 5 V, at least 1 A. Supply not included.
- Mains: not possible. CeilSense Mini cannot run on mains.
Network
- WiFi 2.4 GHz (802.11 b/g/n)
- Ethernet RJ45, with or without PoE. Firmware planned for release.
Processor
- ESP32-C6
- 4 MB flash
Sensors and Signals
- Light: Vishay VEML6030
- LED ring: 16 WS2812 RGB LEDs around the device, individually addressable. A rainbow during start-up, then off until you use it.
- Buzzer: piezo buzzer
- Climate: no climate sensors and no air pressure sensor
All electronics are on one board.
Radar Options
Choose one configuration. All are Hi-Link modules without a camera. The current firmware supports LD2412 + LD2450. Builds for the LD2460 and the LD6002B are planned for release.
| LD2412 + LD2450 | LD2460 | LD6002B | |
|---|---|---|---|
| Modules | 2 | 1 | 1 |
| Frequency | 24 GHz | 24 GHz | 60 GHz |
| Presence, also sitting still | Yes | Yes | Yes |
| People tracked | Up to 3 | Up to 5 (3 of them still) | Up to 3 |
| Coordinates | X/Y | X/Y | X/Y/Z |
| Field of view | ±75° (LD2412); ±60° × ±35° (LD2450) | 120° × 90° | ±60° × ±60° |
| Range, slant | 9 m presence, 6 m tracking | 6 m moving, 5 m still | 3 m typical, max. 6 m |
Module range is not floor coverage. See Radar and Sensor Modules.
Software
- ESPHome firmware
- Home Assistant through ESPHome
- Local web page on port 80
- SmartHomeShop app through cloud firmware (planned)
Notes
- LEDs that burn brightly for a long time give off some heat. Use the ring dimmed or briefly.