I'm sending a pulse from a p16f84 down a fairly long wire to some = ultrasoonic transducer circuitry. By the time it gets there the voltage has dropped significantly. Whats = the best way to overcome this problem? do I need to build some kind of = booster circuit? Sorry if this is a overly simplistic question- I'm an = electronics newbie.. Sam,. -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body