I don't think you've explained what the actuator is used for. Is someone going to be sitting in this and using it to raise/lower the chair? If such is the case then you just need a DPDT switch to move it up and down.
I don't think you've explained what the actuator is used for. Is someone going to be sitting in this and using it to raise/lower the chair? If such is the case then you just need a DPDT switch to move it up and down.