Gas sensor monitor in office using an Arduino mega, python on PC for data upload

Home Energy Monitoring from a CC128 Energy Meter. Interfaced using Python. Running on Raspberry Pi Model A. Also stores data locally using RRDTool and provides graphs to an internal web server.

Using a raspberry pi b+ GPIO pins and python I constructed a 15 sec updating feed from a DHT22 humidity sensor, and two DB20S18 temperature sensors to give an outside temperature and humidity and inside temperature every 15 seconds to Thingspeak

Pi.Camera Properties ISO fix