Camtool CNC v3.3 overview - Can we add WiFi?

I wanted to take a closer look at the mainboard and controller for the CNC 3018 Pro. It's called Camtool CNC v3.3 and is running a standard Mega328P chip, cheap stepper drivers, and seems to just take gcode commands via serial from the controller board - but what if we replaced the controller with an ESP8266 and controlled it over WiFi? It definently seems possible and I prove the concept in the follow up video, where I control it via an ESP-01.

The specific CNC 3018 Pro I have is this - "Vogvigo CNC Machine Kit CNC 3018 Upgraded Pro Grbl Control Router Kit Wood Router Engraver 3 Axis Plastic Acrylic PVC Wood Carving Milling Engraving Machine" - https://amzn.to/2FzRYcr

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