Arduino based speedometer

Project description

• Calculates speed of revolving object by magnetic hall sensor
• Displays speed via servo in "analog-like" scale
• Displays odo (distance)
• Keeps traveled distance in EEPROM, so it is not zero after reboot
• Quick start with Arduino

Schematics

Page on Instructables

https://www.instructables.com/id/DIY-Speedometer-on-Arduino/

Components

• Arduino NANO https://ali.ski/SquqA9
• Hall sensor https://ali.ski/qDTbI
• Servo https://ali.ski/Xe6hYk
• Display https://ali.ski/E9INh
• 5V dcdc step up hhttps://ali.ski/8wcSE
• Lithium charger https://ali.ski/4loD7X