You might even be able to find a push on/push off key switch like the old=20 CAPS LOCK. Some of these even have an LED in them to indicate the down=20 state. -- Bob Ammerman RAm Systems ----- Original Message -----=20 From: "peter green" To: "Microcontroller discussion list - Public." Sent: Monday, July 30, 2012 4:41 PM Subject: Re: [EE] Need switch with low acoustic noise > Dwayne Reid wrote: >> One option I have been considering is to replace the toggle switch >> with a keyboard switch module. These are highly reliable pushbutton >> switches that were designed for use in computer keyboards before the >> current keyboard designs came along. I would then just add an >> electronic alternate-action circuit with indicator LED to show that >> the mic was live. >> >> I've used these keyboard switches as pushbuttons for similar purposes >> in years gone by but I simply don't have enough of them around and >> I'm pretty sure that they have been obsolete for a couple of decades. >> > Conventional keyboard switches are still made, some people preffer the=20 > feel > of mechanical keyboards and there are also applications wherecustom > keyboards are needed and the volume is too small to jusitfy the complex > mouldings that current keyboards use. > > http://www.cherrycorp.com/english/switches/key/mx.htm > --=20 > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist=20 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .