Robotic drawing arm

For one of my school project i decide to build an robotic arm. It can draw with the control of 4 servo motor et un nunchuk. I will upload more specification but it's not so hard when you know how to work with an arduino. You need 4 servo motor and an wii nunchuk(i used a connector but you can do it without. so the 4 servo are for : 1 servo turn left to right, 1 servo forward and backward, 1 servo up and down, one to move the pen/marker. I took an arduino uno that work great with the connector o