Mach3 USB Smooth Stepper break out board controller vs cheap red or blue card difference

I bought this smooth stepper card on Amazon for $25. I wish there was some real specs on what a smooth stepper card does. I'm guessing the two processors can emulate more input and outputs. I hoping it can offload some the load off the computer. The little info I can find so a smoother step train pulse. Smooth Stepper Board on Amazon https://www.amazon.com/gp/product/B07... Preferred Cheap Card on Amazon https://www.amazon.com/gp/product/B07... If you found this video helpful or would like help fund future experiments. please donate below. Patreon   / fintechrepairshop   Paypal http://www.paypal.me/fintechrepairshop Sponsors: http://www.oc3dtech.com http://cinderclaus.com http://www.fintechcommunications.com http://www.ocdatacabling.com http://www.ocdatasystems.com http://www.bloodlinefishing.com