Maybe try to re-wire the Sensor / DemoSensorC to something that does fluctuate more. E.g. SineSensorC or the temp/light/etc sensor. -Ben
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of vaasu Sent: 03 April 2008 10:59 To: Hazem Al- Ojeh Cc: [email protected] Subject: Re: [Tinyos-help] why Oscilloscope readings are always zero? the straight line is the voltage value of the mote batteries...and ofcourse the value will be constant .... run the oscilloscope for sufficient time... you will see a drop in the voltage level..... zoom the voltage range of y-axis.. you might see little fluctuations.... but voltage level cant rise unless you change batteries... On Thu, Apr 3, 2008 at 11:39 AM, Hazem Al- Ojeh < [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > wrote: Hi all, I am up to lesson 5 for tinyos 2.0 tutorials. Anyway I followed all the steps and everything seems to working find, however, when I actually ./run the Oscilloscope program, the results are always 0! like i get a straight line for all the connected sensors, where in the figure in lesson 5, shows some fluctuation going on. Is it supposed to be like that? Given that I followed the lesson instructions without changing anything. -I installed the program on 3 motes. -BaseStation on another mote which is sitting on the board. -started a SerialForwarder $ java net.tinyos.sf.SerialForwarder -comm [EMAIL PROTECTED]:57600 -and i also opened another window to read the messages being sent and so on $ java net.tinyos.tools.MsgReader -comm [EMAIL PROTECTED]:9002 OscillosocopeMsg and it was sending the right everything I suppose, however the readings array contained similar readings most of the time, i.e [readigs=0x8a 0x89 0x8a 0x8a .....], so I thought maybe thats the reason why i am getting a straight line at value 0 on the y access. So anyone knows why I am getting straight lines for all the sensors readings at 0? thank you all. _______________________________________________ Tinyos-help mailing list [email protected] <mailto:[email protected]> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help <https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help> ******************************************************************************* Please consider the environment before printing this email. ******************************************************************************* This email and any files transmitted with it are intended solely for the use of the individual or entity to whom they are addressed and may not be divulged to any third party without the express permission of the originator. Any views expressed in this message are those of the individual sender, except where the sender specifically states them to be the views of Thales Research & Technology (UK) Limited. *******************************************************************************
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