This simple device, built using an Arduino Nano and an A3144 Hall sensor, allows you to measure the RPM (Revolutions Per Minute) of a gear. The device is straightforward to construct and program, ...

This project aims to create a device which can measure and display the operating RPM and AFR of a small combustion engine. A Hall effect sensor is used to sense the magnet in the engine's flywheel ...

I have a pile of different generic electric bike throttles purchased from several online sellers. They all arrived about a week ago. I have a goal of using them to make the basic model of an electric ...

Abstract: This system is designed to get vehicle speed information on the highway. Because the speed of a vehicle on the highway is very influential on other road users. Even based on data taken by ...