Week 6 Day 26

Today is the day for our threshold tests.  We set up our sensor to take measurements every 30 seconds, let it normalize, and then began assaulting it with different airborne gases and particulates.  The first test was the fumes released from the act of soldering our newest board. (yes, we are creating a new board, i'll get to that in a minute.)  Next, we grabbed some coffee and sat the cup next to the sensor to see what readings we picked up off the fresh grounds.  For the 3rd test we grabbed some hand sanitizer and placed a large sample next to the sensor. The last test consisted of us fumigating the lab with a can of air freshener, seen below.

For the afternoon we grabbed some plants from walmart so we can test the CO2 content of the teachers lab again with the addition of indoor plants.  Also, throughout the day Georgette has been working on our newest wireless board that we will be using for techfest.  Here is her progress.