How to control piston?

[Goaliexam]

Originally Posted by Tom Bottiglieri

You can connect the piston to a double solenoid. Then connect one of the red wires coming from the solenoid to the M+ on a spike relay. Attach the other red wire to the M-. Attach both black wires to your ground hub on the circuit breaker. Then in code, you can write this.

relayX_fwd = pY_sw_trig; 
  relayX_rev = pY_sw_top;

//In this, X represents the relay output number and Y is the joystick port.

Thanks, I'll give that a try.