RECORD_ID: prj_05 STATUS: COMPLETED
[SUBJECT_MATTER]
weather station — stm32 environmental monitoring
Multi-sensor environmental data acquisition system on STM32 with Sparkfun/ST sensors, featuring real-time processing and low-power operation.
TIMEFRAME 2023
TECHNICAL_STACK
STM32 C/C++ STM32CubeIDE I2C SPI UART Sensors HAL
system_log // weather_station
A complete weather data acquisition system built on an STM32 microcontroller, integrating multiple environmental sensors with real-time processing and data transmission capabilities.
sensors_integrated
- Temperature sensor (analog/I2C)
- Humidity sensor (I2C)
- Barometric pressure sensor (SPI/I2C)
- Additional environmental sensors from Sparkfun and ST
features
- Multi-sensor parallel data acquisition
- Real-time averaging and noise filtering
- Data transmission via UART
- Low-power operation modes for battery deployment
- Robust error handling for I2C bus conflicts
implementation_notes
The firmware supports both polling and interrupt-driven sensor reading strategies. A ring buffer handles data queuing with overflow protection, and sensor fusion combines temperature and pressure readings for derived metrics.
results
- Simultaneous acquisition from 4+ sensors validated
- Reliable sampling at target rate with < 2% packet loss
- Power consumption optimized for extended battery life
- Accuracy validated against calibrated reference instruments
Repository: [Coming soon]