Part list: LCD 2004 https://octopart.com/fc2004b01-fhyybw-51se-fordata-112294362?r=sp 4x4 matrix keyboard rotary encoder Arduino UNO 2x Microswitch SS01GL13 https://octopart.com/ss-5gld-omron-75211?r=sp Central stop button assembly dia 16mm 2x spring dia4mm length 15mm Bolts with interal hexafon 6x M3x15 10x Mx10 If you have any question you can write to discussion.