Consider these "limited edition" since I've designed a new board and won't be making any more like this. Leave a comment or get in touch if you're interested.
You will need the parts from the BOM to complete the board:
More details might be found on GitHub. https://github.com/depperson/dronedroid
Here is a table showing the IOIO pins utilized.
|IOIO Pin||IOIOcar Function|
|3||UART RX (gps tx)|
|4||UART TX (unused)|
|39||Servo power relay|
|40||ESC PWM output|
|41||Servo PWM output|