I want to build a custom steel case for my focus fk2002 because i feel that the original case is too small and i have a rough idea in mind how i want mine to look. I have some knowledge how to work with metal (i'm a welder as a job), so this part i can pull off.
I really would like it though if i could fit a solenoid to this board. (banging it against a thick steel case would be quite nice i think)

so i ask you more experienced folks there, how should i go about this? should i keep the original controller and piggy-back something onto that to drive it? external power supply for the solenoid doesn't bother me as i'll use this board on my daily desktop. i already got a small solenoid that will do the job i think.