You should measure resistance between out and GND (when the sensor is not connected to anything) and turn the pot until you get about 5kOhm. Then you can do everything we discussed previously in order to derive the actual gas concentration.
On Mon, Apr 7, 2014 at 10:27 AM, Marius Vosylius <[email protected]>wrote: > Ytai, I was able to use one of the Grove MQ2 Sensors below, but a thing is >> that its only works without a resistor. Is this is ok? >> > > <http://goog_254863602> > http://seeedstudio.com/wiki/Twig_-_Gas_Sensor(MQ2) > > -- > You received this message because you are subscribed to the Google Groups > "ioio-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/ioio-users. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "ioio-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/ioio-users. For more options, visit https://groups.google.com/d/optout.
