I've taken a flashing LED shoe apart and it contained a lithium battery , and the LED legs were used for the switch. John *************************************************************** John.Walshe@inpactmicro.com INPACT MICROELECTRONICS (Irl) Ltd 21A Pouladuff Road, Cork, Ireland, Tel: +353 21 4318296 Fax: +353 21 4318980 WWW.INPACTMICRO.COM *************************************************************** -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.