- STM 550U enables the realization of energy harvesting wireless sensors communicating according to EnOcean Alliance radio standard. Key applications are wall-mounted or equipment-mounted sensor solutions for the measurement of temperature, humidity, and illumination.
- It provides an integrated NFC interface that can be used for device configuration and device commissioning and an LRN button that can be used for simple commissioning tasks.
- It integrates dedicated sensors for temperature, humidity, illumination, acceleration, and magnet contact. These sensors measure and transmit the current status every 60 seconds.
- It will immediately wake up and transmit an update if an acceleration event occurs (e.g. due to being moved or shaken) after a period without such change.
- It contains an integrated solar cell optimized to generate the required energy based on available ambient lighting. Under typical indoor lighting scenarios (200 lux for 6 hours per day) they operate fully self-supplied. For use cases with insufficient available light, it is possible to mount a dedicated backup battery.