There are many types available I have this one=20 https://www.saleae.com/?gclid=3DCP6el4K0y8gCFYu6Gwod3HcMOw it has digital and analogue channels=20 steve -----Original Message----- From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of Justin Richards Sent: 18 October 2015 03:55 To: Microcontroller discussion list - Public. Subject: Re: [EE]: Any guesses what protocol an Evaporative Aircondition controller uses On 18 October 2015 at 10:20, Mark Rages wrote: > Only the changes are recorded, so sample rate has little effect on the=20 > file size. > > Regards, > Mark > so ideal for digital signals but can I assume analog signals that tend to dither would still produce increased data as sample rate increases. When exporting data LogicSniffer seems to save the time between transitions which concurs with the above but the recording time is very much governed b= y the sample rate. Justin -- http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/chang= e your membership options at http://mailman.mit.edu/mailman/listinfo/piclist --=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 .