... XK-SXN3 Sensor Training Model (DC motor)1. Product overview: this device equipped with dc motor, photoelectric switches, close switch, ... . Main parameters: 500 mm x 260 mm x 120 mm ,power supplies: DC12V,<2A.3. Main composition: DC motor, photoelectric ... the hall switch application practice, rotary encoder application practice, dc motor control training, the car-forth movement control training.5. ...