This tutorial will guide you through the process of building a tachometer around an Arduino. Tachometers are used to measure rotation rate in Revolutions Per Minute ...

KY-003 Hall Sensor Jumper wires M3×20 screw M3 nut 2 pieces of 8×3 magnet (8mm diameter, 3mm thick) First, create a rotating disk with magnets: Print the Tachometer Disk model from the 3D Print folder ...