The project uses an Arduino Uno R3, Arduino Mega 2560, Arduino CNC Shield V3 GRBL, Stepper Motor Driver A4988 and Arduino L293D Motor Shield together with a couple of wooden wine boxes to create a ...

An UNO Shield that stacks onto Arduino boards (or Arduino-like boards such as Mbed) and provides an SPI interface to data packets that are sent or received using the EtherCAT protocol.