EBV - RoomSensor Shield Hero Banner (HB)

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EBV - KNX RoomSensor Main Title (MT)

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KNX RoomSensor

EBV - KNX RoomSensor Mixed Media (MM)

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Reference design with: Connectivity (KNX, Bluetooth, ZigBee) and sensors for building automation

This reference design brings together the newest components for connectivity and sensors relevant for Building automation. The design supports the communication standard KNX as well as the wireless protocols Bluetooth 5.0 and Zigbee 3.0.

Innovative sensors for HVAC, presence detection, smart blinds / curtain and lighting control are also included on this open design based on the Arduino form factor to pave the way for new capabilities in sensor fusion applications.

EBV - KNX RoomSensor Long Copy (LC)

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  • Building automation (hospitality, office, retail)
  • Home automation

Use cases:

  • HVAC (heating, ventilation, air conditioning)
  • Indoor air quality, presence detection, door/ window opening detection, weather forecast
  • Lighting control
  • Daylight harvesting, human centric lighting, color consistency, presence detection
  • Blinds and curtains control
  • Safety / Security e.g. presence sensing, intruder detection, gas detection

Block diagram KNX RoomSensor

Block diagram KNX RoomSensor

Devices by supplier

 Supplier Device description Application details
AMS Logo Temperature & Humidity Sensor – ENS210 Relative humidity & temperature for HVAC and as reference for VOC (volatile organic compound) sensor
Gas Sensor VOC –
CCS 811
Total VOC and equivalent CO2 (eCO2 ) indication for indoor air quality monitoring
Ambient Light Sensor – TSL25721 Ambient light conditions for sun shades, daylight harvesting and HVAC control
Smart Lighting Director – AS7225 Closed loop CCT, tunable-white and/or daylighting management for luminaires and lamps
Infineon Logo Pressure / Temperature Sensor – DPS422 Door / window open detection, intruder detection, weather forecasting
Radar Module –
RFbeam K-LD2 
Presence / motion detection, micro movement detection, proximity sensor
Secure Element –
Infineon Optiga Trust X
Secure key (private key storage, symmetric key generation), software protection, anti-cloning
Microcontroller –
XMC 1400
Base board with Arduino form factor featuring Infineon XMC™ ARM® Cortex® M0 at 48 MHz and 200 kB of flash for advanced motor control
Infineon Logo KNX Twisted Pair Transciever – NCN5130 KNX protocol supported by Weinzierl stack 
Bluetooth 5.0 –
Certified BLE 5.0 module, mesh capability, lowest power consumption
Zigbee Module
(based on NCS36510) 
Supporting Zigbee 3.0, Green Power, certified wireless module with On Semiconductor stack


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EBV - Reference designs - Flyer Grid Box Light (GBL)

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KNX RoomSensor Flyer

Download KNX RoomSensor flyer to learn more about the newest components for connectivity and sensors relevant for building automation.