To perform hacktheplanet, a custom-built MIDI controller will be required. The Teensy USB Development Board provides many inputs and outputs in a small package. It’s fully compatible with the Arduino IDE, making coding for it straightforward and powerful.
The device will contain many rotary potentiometers and LEDs, and will housed in a stylish case with a backlit acrylic top. If you would like to follow the build process, check back here for new posts. The /etc page on this site will contain documentation about the build of this device, including code, parts information, and rough plans.
Here is the current state of the device. You can see three CD4067BE 16 channel analog multiplex chips and the Teensy: