Are you sure you are connecting the pot correctly? Something like a 10K pot between +battery and ground with the center wiper attached to _only_ the single input pin, right?
Also note that channel 0 is (on other mica type devices) the RSSI input from the radio, so it's probably not available for use. I believe voltageC is attached to channel 7, so it's out of the loop too. My break-out-board just brings all the connector pins to a convenient connection point, unless the traces are shorted or something... MS Francesco Ficarola wrote: > Hi everybody! > > I have an IRIS mote (XM2110CA) and when I read a simple voltage > battery thanks to VoltageC component I get a corret reading, but if I > introduce also some ADC readings (for example with a potentiometer) by > channel 0/1/2... (with a break-out board like this: > http://www.etantdonnes.com/Motes/MicaBOB/), then VoltageC values > change and depend on the resistance of the potentiometer... It's very > strange. Why? > > P.S. If I read ADC values thanks to MDA300CA sensorboard, then > VoltageC shows correct values. Also with telosb mote the ADC readings > and VoltageC values are correct and indipendent. > > Regards, > Francesco Ficarola > _______________________________________________ > Tinyos-help mailing list > [email protected] > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
