Sample roasters, accessories, spare parts, and more › PCB Encoder Image 1 of 1 PCB Encoder €30.00 PCB for Encoder - for the rotary knob on the top plate. January 2020 we changed to a more accurate encoder for the nob. Add To Cart Added! PCB for Encoder - for the rotary knob on the top plate. January 2020 we changed to a more accurate encoder for the nob. You Might Also Like Quick View Fuse set of 2 (Quick-fuse) €5.00 Quick View Led-light for the drum window €100.00 Quick View Power supply 150W 24V DC €55.00 Quick View Extra cooling tray no handle from €69.00 Quick View Wifi - Antenna €10.00