Quantity   Component name
1 × 10mm x 3mm 12000 RPM 3V Coin-cell vibrating motors https://www.amazon.com/dp/B09MKW5DYV?psc=1&ref=ppx_yo2ov_dt_b_product_details
1 × DRV2605L coin-cell motor driver boards to control pulse frequency https://www.amazon.com/Management-Development-Adafruit-DRV2605L-Controller/dp/B00SK8LE0E/ref=asc_df_B00SK8LE0E/?tag=hyprod-20&linkCode=df0&hvadid=646084811242&hvpos=&hvnetw=g&hvrand=15090866415919385593&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9007712&hvtargid=pla-1643048379059&psc=1&gclid=CjwKCAjw9pGjBhB-EiwAa5jl3Im2JKp04S-Lk23pVf2y11xG1ho1YwGygmvlQy66pRArOAKCvpcEQhoCJpoQAvD_BwE
1 × Linear Potentiometer https://www.amazon.com/gp/product/B07VY7V23Q/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&th=1
1 × Lipo Battery - 3.7V 500 mAh https://www.amazon.com/dp/B091FKGW8H?psc=1&ref=ppx_yo2ov_dt_b_product_details
1 × LiPo boost converter/charger https://www.amazon.com/dp/B076953CYL?psc=1&ref=ppx_yo2ov_dt_b_product_details
1 × Arduino Nano 33 BLE Sense Rev 2 https://www.amazon.com/dp/B0BQHZ88WD?psc=1&ref=ppx_yo2ov_dt_b_product_details