18-11-2016, 08:50 AM
(18-11-2016, 06:33 AM)Sparks Wrote: I know the grid does not draw any current, but the pot. does! (See diagram).
Bob
Apart from draining the battery by a greater or lesser amount that makes no difference whatsoever. If you use a 500K pot then it will only take 12V/500K = 24uA from the battery which is so small you could forget about the switch.
www.borinsky.co.uk Jeffrey Borinsky www.becg.tv
