On Tue, 28 May 2002, Morgan Olsson wrote: > As cheap as possible > > Motors are 12V, supply is 12V car system > Motor current is rated 8A start, but i will current limit to approx 3A. > Drive time is about one second, then long time rest. Morgan, you remind me about ABBA and Ericsson: the first does not sing anymore and the second one wasbankruptcy and buyed by Sony...[ grin ] For just one second drive, no pwm, I'll use a DPDC 10A relay. Will be the cheapest methode you ever may buy. Protective diodes on DC motor coils and RC networks to protect relays contacts. regards, Vasile -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.