During the waiting time for the servos the team decided to tackle the soldering of the wires to the board of the 3d pen. By doing this it would give us full control over the pen using our micro-controllers and would make for some exciting interactions later on. However, there was a high risk involved in attempting to solder as it may damage the components for the pen to work. To offset this fear of destroying the pen the team decided to do some research into how soldering can affect the board. With careful precision we were able to solder the wires correctly to the board. To test is functionality we completed the circuit and found that the pen worked.
However, to get the pen to interface with the Arduino and control the on and off states we decided to implement a relay. The relay would change states depending on the amount of fingers the leap motion could detect. It should be noted that the finger gestures were a test and might be changed at a later date.