Quantity   Component name
1 × Seeed Studio XIAO nRF52840 (Sense) https://www.digikey.com/en/products/detail/seeed-technology-co.,-ltd/102010469/16652896?utm_adgroup=&utm_source=google&utm_medium=cpc&utm_campaign=PMax%20Shopping_Product_Low%20ROAS%20Categories&utm_term=&utm_content=&utm_id=go_cmp-20243063506_adg-_ad-__dev-c_ext-_prd-16652896_sig-Cj0KCQjwq86wBhDiARIsAJhuphn__JV9wgIj_wgpvwqa_qJ2t6y5rRnpoDTfDEGDANTzjpQI_zamVW0aAjxYEALw_wcB&gad_source=1&gclid=Cj0KCQjwq86wBhDiARIsAJhuphn__JV9wgIj_wgpvwqa_qJ2t6y5rRnpoDTfDEGDANTzjpQI_zamVW0aAjxYEALw_wcB
2 × TTP223 Capacitive Touch Switch Button https://www.amazon.com/Anmbest-2-5-5-5V-Capacitive-Self-Lock-No-Lock/dp/B07K72N79J
1 × Pimoroni Trackball https://www.digikey.com/en/products/detail/pimoroni-ltd/PIM447/10246389?utm_adgroup=&utm_source=google&utm_medium=cpc&utm_campaign=PMax%20Shopping_Product_Low%20ROAS%20Categories&utm_term=&utm_content=&utm_id=go_cmp-20243063506_adg-_ad-__dev-c_ext-_prd-10246389_sig-Cj0KCQjwq86wBhDiARIsAJhuphmDbx2cz1KxRROLbvJMN6QeVX0ZurR2HHV_Jxa-9JrvCPc8aCMqhKcaApmdEALw_wcB&gad_source=1&gclid=Cj0KCQjwq86wBhDiARIsAJhuphmDbx2cz1KxRROLbvJMN6QeVX0ZurR2HHV_Jxa-9JrvCPc8aCMqhKcaApmdEALw_wcB
2 × Push Button https://www.digikey.com/en/products/detail/c-k/PTS645SK50SMTR92-LFS/1162183
1 × Slide Switch https://www.digikey.com/en/products/detail/nidec-components-corporation/CSS-1210TB/1124209
1 × Battery https://www.aliexpress.us/item/3256806439964003.html?spm=a2g0o.productlist.main.61.5a2aWaHCWaHC4J&algo_pvid=fb6fd011-7dda-4a65-9713-929b72522d21&algo_exp_id=fb6fd011-7dda-4a65-9713-929b72522d21-30&pdp_npi=4%40dis%21USD%215.95%212.32%21%21%2142.92%2116.74%21%402101e81117126410308191498ee2ab%2112000037860191709%21sea%21US%210%21AB&curPageLogUid=YY7TZHrI5JWk&utparam-url=scene%3Asearch%7Cquery_from%3A