Re: [Tinyos-help] transmission range

2007-09-25 Thread Demin Wang
We used 2.4GHz 8.5 dBi antennas on MicaZs and can reach maximum 400 meters with the maximum transmission power. demin On 9/25/07, Tony Han [EMAIL PROTECTED] wrote: Hi folks, I try to use mica2 sending data for 100m in certain area (have a few trees and a creek around), but now, with 900MHz

[Tinyos-help] question about includes statement in nc file

2007-04-23 Thread Demin Wang
Hi all, I am working under tinyos1.1.15. When I looked at some .nc file, they start with includes Command; includes XCommand;. What do the Command or XCommand represent? Do they represent Command.h, XCommand.h or something else? thanks a lot. Demin

Re: [Tinyos-help] MDA300 Drivers

2007-04-20 Thread Demin Wang
On 4/20/07, Giri Baleri [EMAIL PROTECTED] wrote: Yes, MDA300 drivers are available in CVS sourceforge. I don't know if these have readily available EEPROM interface. http://tinyos.cvs.sourceforge.net/tinyos/tinyos-1.x/contrib/xbow/ The pre-compiled XMesh apps for MDA300 is available in

Re: [Tinyos-help] MDA300 Drivers

2007-04-20 Thread Demin Wang
On 4/20/07, Demin Wang [EMAIL PROTECTED] wrote Does there exist an MDA300 driver for Tinyos2? Also is it possible to get the source code of XMesh free? or we have to pay for that. Thanks, Demin On 4/20/07, Giri Baleri [EMAIL PROTECTED] wrote: Yes, MDA300 drivers are available in CVS

[Tinyos-help] A little confuse about MDA300CA excitation power

2007-03-30 Thread Demin Wang
Hi, all I have a little confuse about the DELAY_BEFORE_MEASUREMENT parameter in MDA300CA. In my application, I want the EXCITATION_50 on for 2 seconds before actually measure the sensor signal. The sensor is powered by 5.0v from MDA300CA board. The comment in the program say if I set

[Tinyos-help] MDA300 support in Tinyos2.x?

2007-03-30 Thread Demin Wang
Hi, all, I am wondering if there exists MDA300 sensorboard drivers for Tinyos2.x? Thanks a lot. Demin ___ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help

[Tinyos-help] question about external power for MicaZ

2007-02-23 Thread Demin Wang
Hi, all, I am planning to use the 2-pin molex connector to provide power for MicaZ. I am not sure what parts I need to order. It seems the part number listed in the crossbow manual : wm1753-ND is the one has already integrated on the board. It should be a connector that can be inserted into

[Tinyos-help] question about macros in tinyos code

2006-10-20 Thread Demin Wang
Hi,When I am looking at the code tos/lib/counters/IntToRfmM.nc, I am curious about where TOS_LOCAL_ADDRESS is defined? I checked AM.h and some other.h files and could not find it. Could anyone tell me about it? thanks a lotDemin ___ Tinyos-help mailing

[Tinyos-help] question about packet yield

2006-09-22 Thread Demin Wang
Hi, allI am a little confused about the concept packet yield and how it is computed.My understanding is :For one sensor node as a receiver during a period of time,Packet Yied equals to (Number of actual received packets)/(Number of expected to receive pakects) and 1-packet yied is the packet loss