Hazardous Gas Monitor
Contributors:
jenfoxbot
jenfoxbot 
Resources and Going Further
Monitor hazardous gas concentrations around your neighborhood or city and use the results to identify problem areas and improve public safety.
Use Bluetooth, or your smartphone WiFi, to connect to the Photon and upload data to the web wherever you are!
Include other sensors, gaseous or otherwise, to create a more comprehensive environmental monitoring system.
For more IoT SparkFun tutorial fun, check out the links below:
Photon Remote Water Level Sensor
Learn how to build a remote water level sensor for a water storage tank and how to automate a pump based off the readings!
Photon Remote Temperature Sensor
Learn how to build your own Internet-connect, solar-powered temperature collection station using the Photon from Particle.
IoT Industrial Scale
What does a baby elephant weigh? How much impact force does a jump have? Answer these questions and more by building your very own IoT industrial scale using the SparkFun OpenScale.