Double six double zero driver boats so to control all of them. I have used this Nema 23 grbl CNC PCB shade. I recently designed this PCB for my bigger CNC project, but this PCB can be used perfectly in this project and if you wonder how I get this PCB, so I will tell you. I have ordered this PCB from in very affordable rates without paying any extra money for the purple. Color GLC PCB is the leader in PCB manufacturing World. They also offer SMD PCB and services, so you get your PCB with all components solder on it. In this way, you can save a lot of your time and money, and that is not the end. They also offer 3D printing service at very affordable rates. If you dont have access to the 3D printer and need high quality 3D printed parts, then please check out their 3D printing services.