These are the small parts that might be required to be added to your design. There are resistors that restrict the flow of electricity, capacitors that store small amounts of energy, and other parts that are listed below.

300pcs/lot Ceramic capacitor set pack 2PF-0.1UF 30 values*10pcs Electronic Components Package capacitor Assorted Kit samp	https://www.aliexpress.com/item/300pcs-lot-Ceramic-capacitor-set-pack-2PF-0-1UF-30-values-10pcs-Electronic-Components-Package-capacitor/4000422277677.html
Electronic Components Package capacitor Assorted Kit	https://www.aliexpress.com/item/120pcs-12-values-0-22UF-470UF-Aluminum-electrolytic-capacitor-assortment-kit-set-pack/32999576127.html
30 Kind 1/4W Resistance 1% Metal Film Resistor Assorted Kit Each 20 Total 600pcs 47Ω/220Ω/1K/10K/47K/68K/100K/220K/1M	https://www.aliexpress.com/item/30-Kind-1-4W-Resistance-1-Metal-Film-Resistor-Assorted-Kit-Each-20-Total-600pcs-47/32631387079.html