Uwes Blog

Projects, thoughts and more


Inside our new home we have an KNX https://www.knx.org automation bus. I have not found an nice looking "RoomSensor" which has the following sensor equipment:

  • temperature
  • humidity
  • brightness
  • passive infrared motion (PIR)
  • smoke detector
  • CO2


so i decided to build my own. After looking what is possible i choosed the following components:

  • ARM Cortex-M4 microcontroller STM32F4

UUID used for iBeacon funtionality: C8A8F392-D8ED-47EA-85FE-0EB1903425AD