Bourns’ PER28/PER35/PER56 encoders feature a ring interface
https://www.electronics-lab.com/bourns-per28-per35-per56-encoders-feature-a-ring-interface/
Bourns’ PER28/PER35/PER56 encoders feature a ring interface that allows illumination or installation of other components in the center Bourns’ model PER28, PER35, and PER56 long-life incremental ring encoders come in sizes 28 mm, 35 mm, and 56 mm, respectively. These low-profile encoders are designed for use in professional audio and lighting applications, low/medium risk medical and […]