How about a single axis joystick, or a pitch bend wheel? Matt On 29 October 2013 14:00, K S wrote: > Hi piclist. > > I'd like to electrically propel a hand driven cart and need some way for > the operator to set the speed. I'm hoping for some type of thumb activate= d > lever that could be mounted to a cross bar. (I'm thinking like the gear > levers on some pushbikes, but need not be.) It could either be a multi-st= ep > switch (for, say, slow, medium and fast) or preferably a 1/4 turn pot or > similar which gives full control across the range. When let go it should > spring return back to zero. > > Maybe someone knows the name of what I'm looking for? I'm hoping for > something off-the-shelf. > > TIA. > Kris. > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change 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 .