In SX Microcontrollers, SX/B Compiler and SX-Key Tool, eagletalontim wrote:

sorry for the delay on the reply.  The solenoid uses 4 amps at 12 volts.  The lower the voltage, the less it protrudes to it maximum capabilities.  That is what I am needing to do.....based on a few other factors, the solenoid may need to be at 90% or 65% and so on.  It will only be activated for about 1 second two to three times a minute so there should be no problem with excessive heat from current draw.  I have read that a MOSFET may be better but I have no idea what kind of MOSFET I would need to get to control the positive side of the power or how to hook it up in a circuit.

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