[sdiy] Looking for a mini rotary encoder with very low torque (servo type)

Anthony Carrico acarrico at memebeam.org
Thu Jan 9 20:45:38 CET 2025


On 1/8/25 09:27, Jean-Pierre Desrochers via Synth-diy wrote:
> The width of the paper is around 12inches.
> And because of the VERY FRAGILE state of many of these rolls
> I could'nt consider the pinch roller way to restrict the paper pace
> It would rip the paper apart..
> So far the only way I could consider is to 'gently' press a rubber wheel
> on the advancing paper and read the optical pulses to re-adjust the pace.
> 
> But.. the pinch roller idea would have been an excellent one
> if using an other thing that a stepper motor for speed.

Don't know why people are suggesting ancient PS/2 mice and programming 
micros and stuff. Unless this has to be super compact, you ought to be 
able to get beautiful data with a Linux machine and a modern high 
resolution optical mouse right off the shelf.

-- 
Anthony Carrico



More information about the Synth-diy mailing list