"Bernd.S" wrote: > But in the moment is my PIC a bit deaf. Has somebody IDEAS how I can > connect as easy as possible a tiny 64 Ohms Loudspeaker (that must be beacause If you're using the speaker as a microphone, why not consider using an electret mic instead - electret microphones have a built-in amplifier and will have a higher output level than a speaker used as a mic. They're also small and cheap (they can be ratted from old cassette recorders too). Clyde -- Clyde Smith-Stubbs | HI-TECH Software, | Voice: +61 7 3354 2411 clyde@hitech.com.au | P.O. Box 103, Alderley, | Fax: +61 7 3354 2422 http://www.hitech.com.au | QLD, 4051, AUSTRALIA. | --------------------------------------------------------------------------- For info on the World's best C cross compilers for embedded systems, point your WWW browser at http://www.hitech.com.au, or email info@hitech.com.au