The motor is not supposed to turn the other way since it will rotate under water. I mean its shaft... But you never know what sort of criminal fish wor turtle will mess my project up :-) SP> At 09:03 PM 1/22/2006 +0200, you wrote: >>I want to hook up a motor and control its motion using one output pin >>of a PIC microcontroller. I just want to try to spin it without using >>PWM or any other fancy stuff. >>Since i want a simple design i am thinking about using a Darlington >>transistor that can handle about 1A of current. >>Now, my question is : what if the motor will get stuck somehow and it >>will suck up to 3, 4A ? What will happen in this case ? Will the >>Darlington survive ? SP> I'd give that a qualified 'maybe'. If you require it to survive, you SP> must design it for that condition. It could be worse, BTW, something could SP> be forcing the motor to turn in the opposite direction. SP> Best regards, SP> Spehro Pefhany --"it's the network..." "The Journey is the reward" SP> speff@interlog.com Info for manufacturers: http://www.trexon.com SP> Embedded software/hardware/analog Info for designers: http://www.speff.com ->>> Inexpensive test equipment & parts http://search.ebay.com/_W0QQsassZspeff -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist