joystick

Hey! starting my journy on Arduinio.When i tried to connect my joystick, and read the values from it,I gaet the whole range on X. My problem is with Y: Resting pposition indicates 0, and if i move the joystick down it shows the value 512. if I move it upwards, the value does not change. where...

Hello, I'm making a controller for PC. I have purchased the PCB but it is intended for a 4 pin USB connection. My panel mount female USB type B socket has 5 wires and two grounds for some reason... Is there special need to ground in two places or can I simply solder both black ground pins to...