Features:

16x12 WS2818 array for display

Buzzer for sound

6 axis IMU

Can be an I2C host or device, for multiplayer games

Compatible with CircuitPython or the RP2040 SDK

Power via SAO connector or USB-C

TODO:

Actually connect the BOOTSEL net to a GPIO pin - Done

Same for the buzzer net - Done

Investigate adding a pull down to the buzzer net - Need this for sure

Investigate replacing all buttons with PTS815 for cost savings - Yes, I hate the PTS830 buttons

Investigate moving SEL button to be more out of the way 

Investigate changing to a two layer board with a zig-zag LED layout - Not worth the time, 1k quantity of the current pcb only costs 30 cents.

Investigate replacing TPS61022RWUR with TPS61021A/TPS61033 to eliminate one output capacitor and allow VCC to be powered by a single alkaline/nimh cell - Not worth the time

Investigate breaking out spare GPIO pins to test points

Implement buzzer example - Done, volume is good

Implement IMU example - change IMU to use I2C instead of SPI

Implement I2C host/device switching example

Implement I2C collision detection example

Implement I2C Paxos example

Implement blinkenlight example

Test UART on GPIO1/2 pins

Test SWD pins

Test display DOUT debug pin