Light-Powered IoT at Scale: Sustainable Digitization of Buildings
summary
Claims a retrofit system that replaces batteries with indoor photovoltaics optimized for low light and integrated firmware plus cloud energy management; deployed by enerthing in over 100 office buildings with 6,000 light-powered sensors and in 80+ logistics sites (Nagal Group), reporting reliable operation and CO₂ reductions. Devices measure temperature humidity CO2 presence and acceleration, harvest roughly mW-class power indoors, store months of energy and run maintenance-free for 15+ years per field data.
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chapters (11)
- 0:00Light-powered IoT for buildings
- 1:04Digitizing buildings reduces CO2
- 3:13Deutsche Telekom IoT case study
- 4:21Battery-powered sensors fail at scale
- 5:49Maintenance-free IoT sensor pillars
- 6:53Indoor photovoltaics for artificial light
- 8:18High-efficiency energy harvesting
- 9:22Stable operation over 15 years
- 10:26Maintenance-free IoT in food logistics
- 12:30Scaling energy harvesting
- 13:40Q&A