Thanks. Pitch bend wheel looks ideal but seems very hard to buy except as part of something bigger. On Tue, Oct 29, 2013 at 3:19 PM, Matt Callow wrote: > 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 fo= r > > the operator to set the speed. I'm hoping for some type of thumb > activated > > 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-step > > switch (for, say, slow, medium and fast) or preferably a 1/4 turn pot o= r > > similar which gives full control across the range. When let go it shoul= d > > 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 > > > -- > 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 .