> One of the problems with the TI ADC implementation is that it's slow > to > update. > First you always seem to get an old (queued?) value. So throw away > the first > couple of readings after changing the input! > > Furthermore I suggest that you use J8 (the one close to the reset > button) for the > extruder reading as this channel seems to have the least > crosstalk/disturbance > caused by the touch-screen interface.
so, result after 5 times potmeter on J8, J7 and J6 jumpers: linuxcnc@arm:~$ cat `find /sys/devices/ -name in_voltage[456]_raw` 1196 3497 3003 switched the potmeter to J7, J8 and J6 jumpers: linuxcnc@arm:~$ cat `find /sys/devices/ -name in_voltage[456]_raw` 1159 0 979 now potmeter on J6, J7 and J8 jumpers linuxcnc@arm:~$ cat `find /sys/devices/ -name in_voltage[456]_raw` 1142 0 886 ------------------------------------------------------------------------------ Rapidly troubleshoot problems before they affect your business. Most IT organizations don't have a clear picture of how application performance affects their revenue. With AppDynamics, you get 100% visibility into your Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! http://pubads.g.doubleclick.net/gampad/clk?id=84349831&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users