Designator	Component	Number	Cost per unit -currency	Total cost -currency	Source of materials
J5	01x03 1/10″ Pitch Male Connector Pins	1	0.27	0.27	https://www.digikey.com/short/jv0b95z0
C1-3	1206 Packaging 10 µF Capacitor	3	0.64	1.92	https://www.digikey.com/short/qfrbqfhd
J6	01x02 1/10″ Pitch Terminal Block	1	1.27	1.27	https://www.digikey.com/short/0v8hf4h8
R1-4	1 k 1206 Packaging Resistor	4	0.10	0.40	https://www.digikey.com/short/wp8502p7
J3-4	01x08 1/10″ Pitch Terminal Block	2	6.45	12.90	https://www.digikey.com/short/mqn9fd88
J2	01x04 1/10″ Pitch Terminal Block	1	2.75	2.75	https://www.digikey.com/short/tv7tzq1r
D1-4	5.1 V Zener Diode	4	0.22	0.88	https://www.digikey.com/short/z0f0ztp2
A1-4	Pololu A4988 Stepper Driver	4	5.95	23.8	https://www.pololu.com/category/156/a4988-stepper-motor-driver-carriers
G1	Arduino Nano	1	4.30	4.30	https://www.amazon.com/dp/B08Z7HQ2B6/
J1	01x10 Female Header Pins	1	0.79	0.79	https://www.digikey.com/short/23bfwwjh