The new sensor fits within the space envelope of its predecessor, the optoNCDT 2300, and matches the stand-off distances of ...

You also have to print (or perhaps, laser-cut) two flat encoder disks, one black and one white, the white one being eccentric. It only escalates from here! Both of these disks go inside the motor.

We’ve seen his garbage can CNC build and encoders from e-waste and tin cans, all of which gave surprisingly good results despite incorporating such compliant materials as particle board and ...