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

As stated in one of my other topics, I am trying to control a solenoid with the PWM command that is pre-grounded on my car.  I have been able to do plenty of bench testing with a small DC motor and a meter and everything worked fine until I actually hook it up to the solenoid on the car.  When it is hooked up to the car, the solenoid barely moves like it is not getting enough amperage.  I have attached my circuit to show how i have it hooked up.  I have tried changing the values of the resistors but when I do that, it heats up the 7805 regulator.  I have popped 4 SX's so far so I am really needing some help with this before this project turns into a HUGE money pit.

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