Name: Grove - Gas Sensor (O2)
Verification Code: LASS github
Wiki : Basic features, Sample code, Schematic/Layout
Datasheet
Detail
The suggestion to use sensor need 2 day warm up.
Here is the result in the beginning.
Concentration of O2 is 21.9%
Concentration of O2 is 21.6%
Concentration of O2 is 21.4%
Concentration of O2 is 21.2%
Concentration of O2 is 21.0%
Concentration of O2 is 20.8%
Concentration of O2 is 20.7%
Concentration of O2 is 20.5%
Concentration of O2 is 20.3%
Concentration of O2 is 20.1%
Concentration of O2 is 20.0%
Concentration of O2 is 19.8%
Concentration of O2 is 19.7%
Concentration of O2 is 19.6%
Concentration of O2 is 19.5%
Concentration of O2 is 19.3%
Concentration of O2 is 19.2%
Concentration of O2 is 19.0%
Concentration of O2 is 18.9%
Concentration of O2 is 18.8%
Concentration of O2 is 18.7%
.....
一整晚的測試，從 14.4 -> 14.1
current tick= 1703,Concentration of O2 is 14.4%
current tick= 11680,Concentration of O2 is 14.4%
current tick= 21654,Concentration of O2 is 14.4%
current tick= 31623,Concentration of O2 is 14.4%
current tick= 41594,Concentration of O2 is 14.4%
current tick= 51563,Concentration of O2 is 14.4%
....
current tick= 24987598,Concentration of O2 is 14.1%
current tick= 24997563,Concentration of O2 is 13.9%
current tick= 25007541,Concentration of O2 is 13.9%
current tick= 25017515,Concentration of O2 is 14.0%
current tick= 25027483,Concentration of O2 is 14.0%
current tick= 25037454,Concentration of O2 is 13.9%
current tick= 25047423,Concentration of O2 is 14.0%
current tick= 25057388,Concentration of O2 is 14.1%
current tick= 25067361,Concentration of O2 is 14.1%