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 ...

Firstly, the ebay claim that it would be shipped from somewhere in the UK turned out to be false, and it took a day or two longer than the maximum estimated delivery time to arrive from the Far East – ...

🚗⚡ Real-time OBD2 RPM visualizer for Mazda vehicles using Arduino and WS2813 LED strips. Transform your engine's heartbeat into stunning color-coded visual feedback with warning blinks at redline!