lastSpark

I also receive the same error: ``` com.digi.xbee.api.exceptions.TimeoutException: There was a timeout while executing the requested operation. at com.digi.xbee.api.AbstractXBeeDevice.sendXBeePacket(AbstractXBeeDevice.java:1051) at com.digi.xbee.api.AbstractXBeeDevice.sendATCommand(AbstractXBeeDevice.java:866) at com.digi.xbee.api.AbstractXBeeDevice.sendParameter(AbstractXBeeDevice.java:2053) at com.digi.xbee.api.AbstractXBeeDevice.getParameter(AbstractXBeeDevice.java:1992) at com.digi.xbee.api.AbstractXBeeDevice.readIOSample(AbstractXBeeDevice.java:1845) at com.digi.xbee.api.AbstractXBeeDevice.getDIOValue(AbstractXBeeDevice.java:1398) ......