day 2... https://www.youtube.com/watch?v=UZ6Xuvo6zWs
On Fri, Jan 21, 2022 at 9:12 AM Sam Sokolik <samco...@gmail.com> wrote: > Remember - the excitation signal is 250hz.... I want to measure wave > form to wave form within that at a minimum of 1000 counts. Not much power > needed.. > > sam > > On Fri, Jan 21, 2022 at 9:09 AM Les Newell <les.new...@fastmail.co.uk> > wrote: > >> The only issue on an Uno would be interrupt latency. If you disable all >> other interrupts, latency should be easily low enough. The only real >> advantage of going to ARM is interrupt priority. You could assign the >> sampling interrupt to maximum priority without having to disable other >> interrupts. >> >> Les >> >> On 21/01/2022 14:55, Ralph Stirling wrote: >> > I would suggest starting with a more capable microcontroller. I like >> the $15 Adafruit ItsyBitsy M4 modules, which are programmable with the >> Arduino IDE, but have a 120MHz clock, 32 bit timers, floating point >> hardware, and two 1Mhz 12bit adc's. Their processor is an ATSAMD51 (Cortex >> M4). The original Uno is very limited for precision timing. >> > >> > -- Ralph >> >> >> >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
