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Originally Posted by Al Skierkiewicz
Mike,
In checking the IFI site, the controller is designed to feed "mini solenoids" on the six solenoid outputs. Each output is TTL level and can sink 85 ma. If you were to find a miniature relay designed for 5 volts and less than 85ma coil current you could use it to control the current to a magnet structure. The source for the magnet would need to be external to the controller (so as not to draw excessive currents.) and the relay contacts need to be able to handle whatever current the electro magnet requires.
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I was checking that too. If a you could make a switch that was controlled by PWM, the PWM ports are designed to take up to 4 amps. By that time, though, it would be easier to just to go with a relay.
Just food for thought.
Sparks