23/07/2025
9️⃣🥵9 sensors on RasPi4🥵9️⃣
An exciting project for our neighbors BiomiTech !
We're running 9 real-time sensors on a Raspberry Pi to Air Quality monitor:
CO₂, CO, NOx, PM2.5, PM10, and light levels.
🔧 Tech details:
👉4 sensors via UART, 4 via I²C, and 1 via SPI
👉Custom-made connector board
👉Dual UART multiplexing (Rx & Tx)
👉I²C multiplexing
👉SPI communication
👉Custom user interface
👉Full 3D design and fabrication of the enclosures