Designed pcbs- the motor board and sensor board.

Specs:

Dimensions: 7.84 cm x 5.96 cm
Layers: 2
Trace width: 7mil
Larger trace width: 30mil
Clearance: 10mil
Via drill width: 15mil
Via copper width: 35mil
Via annulus: 10mil
Mounting hole diameter: 4mm

Read on to see screenshots of the sample boards

Motor board

source:

https://github.com/RobotGrrl/fabacademy/tree/master/motor_board_v1.0

Sensor board

source:

https://github.com/RobotGrrl/fabacademy/tree/master/sensor_board_v1.0

BOM, pinouts, available here:

http://fabacademy.org/archives/2015/na/students/kennedy.erin/project_electronics.html