Grade 11 Enginering Instructuble

hi my name is zaid and welcome to my attempt at an instructuble, here ill be showcasing my project i made for engineering class, i chose to make a spedometer, it works it just aint that great or powerful

code supplied in link

https://docs.google.com/document/d/1zYiLuqZrL8VInSTx1ceZAt04kV_0zWIM6Dyv8mYcBR8/edit?usp=sharing

suplies needed
Fidget Spinner

neodyimium magnet(strong)

Arduino Uno

LED + resistor 220 Ohm

Hall-Effect Sensor - a3144

Single Turn Potentiometer

Jumper Wires

Breadboard

LCD 1602