presented by Wilson Wei
Bluetooth LE在智能照明中的应用与展望Bluetooth LE in Smart Lighting: Practice and Perspective
Bluetooth SIG proprietary
About Yeelight
219 March 2019
10,000,000
+
Units
3,000,000+
Users
2/3 w/IoT
1/2 w/Bluetooth
LE
4
Generations
2012
Qingdao
100+
Countries
Bluetooth SIG proprietary
• Early 2013
• 4.0
• Scan - Connect - Control
• OTA
• Sync with Music
• Limited Android Phone
• Connect Speed
• Number of connections
Gen1 — Yeelight Blue
319 March 2019
Bluetooth SIG proprietary
• 2015
• 4.0
• Scan - Connect - Control
• Timer (RTC)
• Work with Wearable (Mi-Band)
• OTA is a nightmare (Android Phone)
Gen1.5 — Yeelight Bedside Lamp
419 March 2019
Bluetooth SIG proprietary
• Late 2016
• 4.2
• Combo (WiFi + Bluetooth LE)
• Bluetooth LE remote controller
• Mi-Beacon Gateway
• Power Consumption
Gen2 — Yeelight Ceiling Light
519 March 2019
Bluetooth SIG proprietary
• Early 2017
• 4.2 (Proprietary Mesh)
• Proxy & Relay
• Group management
• Synchronization
• It’s not a standard
Gen3 — Yeelight Candela
619 March 2019
Bluetooth SIG proprietary
• 2018
• SIG Mesh
• 5.0 Ready
• Security
• Group Management
• Easy Provisioning
• ?
Gen4 — Yeelight MESH Light Suite
719 March 2019
Bluetooth SIG proprietary
SIG MESH: A few words from application developer
819 March 2019
• Provisioning: distance matters
• Model/Element: a bit overkill
• Flooding messages: power consumption and congestion
• MESH Security: based on ideal environment
• OTA: the more the worse
Bluetooth SIG proprietary
Why Bluetooth
919 March 2019
MESH
NETWORK
WEARABLE
PHONE
THINGS
PEOPLE
Bluetooth
12
0
25
50
75
100
125Volume
Cost
3 SIG
Bluetooth SIG proprietary
The Future of Lighting
1019 March 2019
Illumination Smart illumination HCL & Digitalization
IoT
Platform
ASR
NLP/NLU
Sensors
Smart Speaker
Lighting
Devices
bi-direction
Management
Maintenance
Data Analysis
Bluetooth SIG proprietary
Yeelight is Acting
1119 March 2019
Low Power Consumption
Connectivity
Bi-directional Information Flow
ServicesNew Optical Technique
Smart Lighting
谢谢Thank you!