| Property | Specification |
|---|---|
| Switching Devices | Up to 16A (domestic use) |
| Dimming lights | LEDs (certain types) on 110V/240V or incandescent light bulbs |
| Measuring | Current and voltage (5kHz) |
| Overview | Energy usage (real-time for now) |
| Timer function | Timer functionality |
| Communication | Bluetooth Low Energy (BLE) 4.0 and up |
| Tracks | Smartphones |
| Tracking accuracy | 1.5-4.0 meter |
| Maximum range | 20-70 meter |
| Proximity detection | Requires 1 particular Crownstone “in sight” |
| Room-level presence detection | Requires 4 Crownstones in sight (not necessarily per room) |
| Switchcraft function | Simultaneous use with light switch (with tiny adaptation) |
| Network | Bluetooth Mesh connects Crownstone-to-Crownstone |
| Chipset | Nordic nRF52832, 64 kB RAM, 512 kB FLASH |
| Beacon function | iBeacon |
| Energy consumption of device itself | 250 mW |
| Soft-fuse function | Limit extreme currents or switch off with unexpected behavior |
| Temperature function | Switch off with extreme temperatures |
| Dimensions | 51x46x13mm (LxWxH), 40 gram |
| Open-source | Software available at https://github.com/crownstone |
| Mobile phones supported | iOS and Android |
| Battery | Not required! |
You can find our products at:
| Product | Website link |
|---|---|
| Built-in One (1 unit) | Built-in One |
| Built-in One (10 units) | Starter Kit |
| USB dongle | USB dongle |
| Hub | Not required. Instructions to build your own coming soon |
You can also find our products in high-end home automation shops.
This is just a list off basic functions. Take a look at https://crownstone.rocks for more information. Some examples:
| Property | Specification |
|---|---|
| Authentication roles | Admin, member, guest |
| Dumb house mode | Convenient for parties or renting out your appartment |
| Voice assistant integration | Alexa, Google Home, see “works with” page |
| Home assistant integration | Through HACS, see manual |
| Smart watch integration | Apple Watch (only control, not indoor positioning |
| Homey integration | Coming soon (March 2021) |
| Smart lights | Philips Hue coming soon |
| Instantanous power measurements | Real-time power measurements arriving on phone |
| Reacting on close proximity | Tap to toggle (a bit like NFC) |
| Reacting on moderate proximity | Presence (at home or not) |
| Reacting on room-level presence | Indoor positioning |
| User-controlled upload of data to the cloud | See privacy settings in app (opt-in!) |
| Visualize other users in the app | See privacy settings in app (opt-in!) |
| Send commands through the internet | Restricted (depends on hub) |
| Scheduler | Set timers and schedules |
| Smart timer | Set timers only when dark, etc. |
| Location-based messages | Send a message just when someone enters a room |
| Multiple users | Only turn off the lights when everyone leaves a room |
| Firmware updates (new stuff!) | Through the Crownstone app (approx. every 2-3 months) |
| Very large mesh | Support for 255 devices in the Bluetooth Mesh |
Examples of features that are currently worked on are the indoor positioning of wearables, the ability to run your own Arduino code on the Crownstones, and all kinds of integrations.
