Asked
— Edited
Have a look at this link .... especially the components list at the bottom!
PWM Slider
— Slider to set EZ-B digital PWM for motor speed or LED brightness; shows duty-cycle, stop button, and board/port selection.
Try it →
Very cool!...but no price listed or EZ-B version? Looks like all things listed "are coming soon"
It looks like Poly is on a Roomba.
I said hello to them. ; )
Awesome!