Quantity   Component name
1 × MQ-3 Gas Sensor
1 × MQ-138 Gas Sensor
1 × TGS - 822 Gas Sensor
1 × BME 280 Enviornmental Sensor Adafruit Breakout for the BME 280 sensor, measures temperature, pressure and humidity
1 × DHT-11 Sensor Temperature and Humidity sensor. Using to verify exhaled breath temp and humdity, as well as efficacy of dessicants.