On Wed, Aug 11, 2010 at 12:02 PM, YES NOPE9 wrote: > I want to be able to robotically press buttons on a cell phone. > This means the throw of the button press will not be more than 5mm. > I have seen mention of buttons requiring 21 pounds of pressure. =A0So > far intergoogling has not revealed consistent data. > I want a solution that costs ~$2 per pressor. ( I can dream ) > > One thing I am considering is some kind of doo-hickey using nitinol > wire. > Any suggestions or sources of button pressors ? > I did cell phone design for a while. The production keypad test was an array of air cylinders. 21 lbs sounds extremely high. Regards, Mark markrages@gmail --=20 Mark Rages, Engineer Midwest Telecine LLC markrages@midwesttelecine.com --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .