Quantity   Component name
1 × Raspberry Pi To read and send sensor data to server
1 × DHT11 To measure temperature and humidity
1 × Carbon Monoxide Sensor - MQ-7 To measure CO2 in the air
1 × pH Sensor Kit Atlas Scientific pH kit to measure pH in water
1 × SparkFun RGB Light Sensor - ISL29125 To measure light intensity of the general red, green, and blue spectrums of visible light