Hi folks, Does anyone have a general circuit for protecting PICs (and other micros) when used in projects for Cars ?. I guess we are talking Zener + resistor and perhaps a filter ? \\\|/// \\ - - // "Yes it IS safe ( @ @ ) to switch on" +---oOOo-(_)-oOOo------------------+ | Mark Birks | | Hardware Section Leader | | OmniBus Systems, Stanford House, | | Stanford-on-Soar, | | Loughborough, Leicestershire. UK.| | | | Tel/Fax: +44 (0)990 004300/333 | | E-Mail: markb@omnibus.co.uk | | ooo0 | | ( ) 0ooo | +---\ (----( )------------------+ \_) ) / (_/