I have MACH3 speed regulation 300 watt speed control sucks

[sam_sam_sam]

I have one of speed controller and I am not impressed with it speed control any ideas how to improve it preforms

This is not the seller that I bought this item from

https://www.ebay.com/itm/1PC-Engravi....c100290.m3507

I have tried to a 500 ohm resistor between the two input and 1k ohm resistor on the positive input wire its response is a little bit better but not what I expect it to be of the PWM because the one seller has the input 3 to 12 volts another one seller has the input as 0 to 5 but nether one seems to work right

But the resistor that is on the optic sensor is 470 so I assuming that it is really 0 to 5 volts but the Arduino Nano PWM output is 0 to 12 volts at M3 S1200 this value is at full speed

[sam_sam_sam]

Re: I have MACH3 speed regulation 300 watt speed control sucks

Well I found out by doing some research that this speed controller has frequently of 1 to 10 HZ. and apparently the Nano is running 490 HZ this would partially explain the problem that I am having most of the seller for this item do not put the operating HZ the device is