That front panel build method looks to be worth investigating! If membrane style switches are collected wherever they are spotted going spare, they could be placed behind the reqired places to make the thing even nicer.
Having said that, I have seen some momentary membrane switches fail into a permenantly on state, with strange fault symtoms on the robot floor cleaners I deal with.
(iRobot corp's "Scooba") It is usualy quite a while before the switch is checked as everyone makes the assumption that a membrane switch is off when it is not actualy being touched
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Blessed are the "cracked" for it is they who let in the light.
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Making good front panels for projects.
