Arduino vs. Measurement Computing USB 1408FS

Hi,

I have an application for a monochromator. Essentially, I need to turn a grating using a stepper motor and acquire the resulting signal through an ADC from a photodetector. The scan speed can be quite slow: on the order of 1 sample per second. The initial design was with a Measurement Computing USB 1408FS. Since I am new to both, I am thinking of switching to Arduino because of the community help it provides.

Attached here is the spec summary for the USB 1408FS.

On the Arduino side, I probably will use a ADS1115 4 Channel 16Bit ADC and a stepper motor driver with micro stepping.

I would appreciate some comment on the pros and cons of both approaches.

Thank you!

An Arduino Pro Mini clone could run the entire setup and costs about $2 on eBay.

Arduino control is easy enough.
Electrical and mechanical design is where likely the main difficulties are.