DIY Speedometer Using Arduino and Processing Android App – Arduino Project Hub

https://create.arduino.cc/projecthub/user334153146/diy-speedometer-using-arduino-and-processing-android-app-86ba0c?ref=platform&ref_id=424_trending___&offset=3

This project shows how to make a cool speedometer for bikes or any automotive by using Arduino to broadcast the speed using Bluetooth to an Android application that is created using processing.