tag:blogger.com,1999:blog-7593523188053624873.post7007600911860186596..comments2024-02-21T21:59:19.160-06:00Comments on It's science, but it works like magic.: Achievement Unlocked: IM-ME Weather Station Receiver!DeKayhttp://www.blogger.com/profile/00914365501059600006noreply@blogger.comBlogger6125tag:blogger.com,1999:blog-7593523188053624873.post-33513675978591544922012-05-06T11:36:29.011-06:002012-05-06T11:36:29.011-06:00Interesting. Looks like someone has come up with ...Interesting. Looks like someone has come up with an RS-422 sniffer. They must also have worked out the meaning of the raw data coming back from the station like I am playing with. Too bad they haven't made this information public (as far as I know).DeKayhttps://www.blogger.com/profile/00914365501059600006noreply@blogger.comtag:blogger.com,1999:blog-7593523188053624873.post-87778428188138130422012-05-06T02:06:05.587-06:002012-05-06T02:06:05.587-06:00Hi DeKay, take a look at that: http://www.smartbed...Hi DeKay, take a look at that: http://www.smartbedded.com/files/direct-connect-kit-eng.pdfAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-7593523188053624873.post-4495920505550590402012-04-23T17:02:12.428-06:002012-04-23T17:02:12.428-06:00Hi,
Impressive! Good on you for getting this far....Hi,<br /><br />Impressive! Good on you for getting this far...<br /><br />I wish I had the time to help..<br /><br />Imagine my amazement to find that Ciseco are not only in the UK like me, but in the nearest town to me! (Technology in Leicester...There's hope yet)<br /><br />Please keep on going!!Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-7593523188053624873.post-91183449925481663072012-04-19T12:22:47.350-06:002012-04-19T12:22:47.350-06:00Thanks b-wave and Météo.
It is FHSS, not DHSS. S...Thanks b-wave and Météo.<br /><br />It is FHSS, not DHSS. See this post. http://madscientistlabs.blogspot.ca/2011/03/davis-frequency-hopping-sequence.html<br /><br />The console uses an algorithm to figure out what frequency to hop to next based on the band and transmitter ID that we haven't figured out yet. But for a given band and ID, the hop sequence is always the same. I plan to get the IM-Me to hop based on the frequency values I have sniffed in the meantime.<br /><br />RSSI as shown is the raw value from one of the radio registers. It is not dBm, but the CC1110 datasheet does show how to calculate to dBm based on this register. I just wanted to see the relative difference from background noise to know that I was actually seeing a signal or not before I ever got the packet stuff working. BTW, I manually dialed in a compensation for the frequency offset and that didn't improve LQI.DeKayhttps://www.blogger.com/profile/00914365501059600006noreply@blogger.comtag:blogger.com,1999:blog-7593523188053624873.post-67311191524452361162012-04-18T13:58:28.479-06:002012-04-18T13:58:28.479-06:00Awesome! Well done so far! Is this system is hop...Awesome! Well done so far! Is this system is hopping or DSSS? <br /><br />It looks like somthing in the link is marginal, antennae or freq error(assuming RSSI is in dBm) -107dBm is pretty weak, assuming these units are very close together and non-hopping. Also the Link Quality Indicator instantaious values may be in NOW vs. RSSI values?<br /><br />I am definately impressed!b-wavehttps://www.blogger.com/profile/13233041136333310747noreply@blogger.comtag:blogger.com,1999:blog-7593523188053624873.post-89158137796944982142012-04-18T01:13:06.743-06:002012-04-18T01:13:06.743-06:00Hi
Well done !Hi<br /><br />Well done !Anonymousnoreply@blogger.com