This helps monitor the status of the ventilation of any system.
ESP8266 for connect to internet. BME280: 1. Temperature 2. Humidity 3. Pressure 4. Aprox. Altitude 5. mmHg BH1750: 1. Light (LUX)
This channel show temperature and relative humidity logged by Sandrot's Raspberry Pi and DHT11 sensor.
This is a particle photon connected to a DHT22 Temperature/Humidity Sensor, an MQ-4 Methane Gas Sensor and an MQ-7 CO sensor to monitor my home.
Measure and record soil moisture, Atmospheric temperature and humidity.
Sensor readings from Arduino boards in Milton Middle School Greenhouse