DIY Indoor Air Quality Sensor inspired in Canairi®. When air quality is poor La Cigüita will drop down until you open your windows and bring it back to life. Simple as that
- nRF52840 core (RAK4631)
- USB Type C Base Board (RAK19003)
- Environment CO2 BME680 BOSCH Sensor (RAK1906)
- 3.7v Laptop Recycled Battery
- Micro Servo Motor