Lora Weather Station electronics

Weather station using low power Lora wireless technology


  • ECG (Electrocardiogram) chest measurement with HRV (Heart Rate variability)
  • Temperature
  • Humidity
  • Pressure
  • Water level
  • Movement using Accelerometer
  • PIR sensor option

    Kelsec successfully designed the electronic, the PCB and the embedded firmware with the followings and technologies:

    • STM32 based microcontroller
    • Lora sx1276 chipset
    • low power sensors
    • STM Cube based firmware 

    All firmware in C :

    • Data gathering
    • OTA Firmware upgrade
    • Configuration LORA upload
    • Data transmission in 915 or 868 mhz freq.
    • Data Encryption
    • Data recording in FRAM Memory