User Manual

12/07/2016
GroveGasSensor(O₂)Wiki
4/5
//interpolateintherightsegmentfortherest
return(val‐_in[pos‐1])*(_out[pos]‐_out[pos‐1])/(_in[pos]‐_in[pos‐1])+_out[pos‐1];
}
4.Whenthesensorisinroomair,thebuzzerwillbesilent.Blowthesensor.
Atthistime,ifOxygenconcentrationislowerthansetthreshold,the
Buzzerwillring.Youcanchecktheoutputvoltage(amplify201)after
openingtheSerialMonitor.
Wetesteditinsideoffice,sotheconcentrationofO2isabout20.5%.
Notice:Wehaveadjustedthefigureinaclearair.Wehaveupdateditin
otheprograminsteadofdatasheet.