I would like to interface a PIC based IR decoder application to a Mouth operated switch. Does anyone know a link where to find information about this kind of switches used by handicapped people. I would like to know if those switches give binary coded output or just ON-OFF signal ? Best wishes Eduardo R AC Power Control project based on PIC http://www.geocities.com/SouthBeach/Cove/4535 ICQ# 10909825 erivera@umemphis.campus.mci.net CHILDHOOD CANCER "Anyone whose family hasn't been touched by it should get down on his knees every night and thank the MAN upstairs"...........SAM COOPER