On Wed, Apr 5, 2017 at 5:04 PM, Phil Keller wrote: > I am looking into a design where I would like to use a single > incremental encoder for two separate controls. In order for me to > accomplish this I need to understand what the outputs (A & B) are held > to when there is no rotation. Are the outputs held OFF (aka open), ON > or one of each based on the last rotation? What happens when the user > rotates the knob very slowly? Is the pulse a fixed width or is it base > on shaft rotational speed? What is the state of the outputs if the > rotation is halted between detents? Is the nominal output state > manufacture dependent or is there a "standard". Hi Phil, In my experience it's been manufacturer dependent. Best thing to do would be to check the datasheet for the encoder you wish to you. I think part of this is determined by the detents, how many, etc. If you choose an encoder with no detents then there is no way to know what state it will stop in. Josh --=20 A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams --=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 .