Temp, Humidity CO2 sensor and library.

This is disappointing. I thought I had found a sensor that would do so much. I am wondering if there are any with all four sensors as Cozir has stated in the documentation.

I would like to create a sensor module that will sense C02, temperature, humidity, light and motion and connect them all to an xbee network to stream on the Internet.

Is PIR a good sensor for motion? What is a good precision LDR?

I plan to place these modules on each floor of my home to detect variations in temperature and humidity, alert on C02 and motion, and adjust an LED to shed light in the room as it is needed.

Thanks,

Thomas