Introduction

Mechanical designs are all around us.  The controller has 3 primary functions. It creates an ergonomic and fun interface to the game. It creates a mechanical interface to the buttons, switches and joysticks on a controller, and it protects the electronics with a plastic housing.

With modern manufacturing techniques, we can use the CAD files to create Code to machine the cases using a CNC Router as seen here:

In this activity you will build the case for your arduino to protect it and  shrink the form factor of the electronics to build a handheld controller. Lastly you will use your CAD assembly to guide the design of a 3D printed case cover that allows the user to press the buttons while protecting the electronics.

Copy the engineering notebook template to your notebook and document your work as you go:

3.8.4 - Prototype Controller (ENET)

Part 1 - Controller Case Assembly:

Now we will assemble the controller case. Follow along with the presentation to build the controller case:

Part 3 - Controller Testing and Troubleshooting:

Now work through 3.2.8 again to verify your arduino communicates with Firmata and then trouble shoot your circuit using the Firmata Face Program.

1. Connect the arduino

2. Open Arduino IDE

3. Set the COM port 

4. Upload Standard Firmata

5. Open Processing

6. Run Firmata Blink and verify Arduino->Computer communication

7. Run Firmata Face and and test the buttons on your new circuit

8. Run your own Firmata Game Code and verify your controller works!

Part 4 - CAD and Print a Cover:

Now that you have gotten your controller prototype working you can complete your CAD design to be able to print a top case to your controller. Review following overview video to develop your CAD design.