Quantity   Component name
1 × Extension PCB https://easyeda.com/brainhublab/theknob_v2_copy
1 × DF Robot Beetle 32u4 https://www.dfrobot.com/product-1075.html
3 × Crews M3 x 15 with angled head
2 × Hands
1 × Brain
3 × Resistor 1 KOhm
1 × Ceramic Capacitor 10nF 0.01uF
1 × Electrolytic capacitor 100 mf 6.3 V Electronic Components / Misc. Electronic Components
1 × Switch A03 PS-22F03 https://www.aliexpress.com/item/32765011172.html?spm=a2g0s.9042311.0.0.27424c4dRmACfs
1 × NEOPIXEL LED Ring 16 Bits 16 X WS2812 WS2812B https://www.aliexpress.com/item/32768917662.html?spm=a2g0s.9042311.0.0.27424c4dRmACfs
1 × Rotary encoder with button (for example ED1115S-20 )
3 × Stereo Jack Socket, 3.5mm, 4 Poles, ( LUMB 1503 13 VP3)