Only the changes are recorded, so sample rate has little effect on the file size. Regards, Mark On Fri, Oct 9, 2015 at 8:00 AM, Justin Richards wrote: > Hi Jason, > > I have been seriously considering one of their logic analyses after the > Amphour interview. I played with the software and was disappointed to > discover they dont allow for arbitrarily slow sample rates for long term > recording. They seem to support a range of fast sampling which would > quickly fill the HDD. Great for capturing and decoding but not so good f= or > something like temperature logging. > > There is obviously a reason but it is lost on me. > > Cheers Justin > > On 9 October 2015 at 21:20, Jason White > wrote: > >> I think you should buy a cheap (>$15 USD) usb logic analyzer, such as >> a clone of the original saleae logic. (See attached image for >> reference). That way you can can record its communications and >> potentially reverse engineer whatever protocol it uses. >> >> On Fri, Oct 9, 2015 at 4:06 AM, Justin Richards >> wrote: >> > One of the remaining device to web enable at home is a Celair Evaporat= ive >> > Aircondioner. >> > >> > I have limited test gear at home, mainly an Analog CRO so hoping someo= ne >> > would like to hazard a guess as to what protocol the controller uses t= o >> get >> > me going in the right direction >> > >> > It uses a 4 pin comms cable, so I figure 2 for power and 2 for protoco= l. >> > >> > There is about 30m of cable and assuming bi-directional as it provides >> > control and status. >> > >> > The best link I could find to an image is here ... >> > >> > >> www.ebay.com.au/itm/CLIMATE-BONAIRE-CELAIR-WALL-CONTROL-PART-6051630SP-/= 161789585679?hash=3Ditem25ab69290f >> > >> > I know there is not much to go on so welcome any tidbits of info. >> > >> > Cheers justin >> > -- >> > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive >> > View/change your membership options at >> > http://mailman.mit.edu/mailman/listinfo/piclist >> >> >> >> -- >> Jason White >> >> -- >> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist >> >> > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist --=20 Regards, Mark markrages@gmail --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .