At it’s heart, it’s a straightforward design, using a linear rail and a leadscrew driven by a stepper motor. Control is via an Arduino Nano, with a few push buttons and a 16 x 2 LCD display ...

This Arduino-based cursor controller allows ... This Arduino Uno-powered project is designed to automatically change the speed of a DC motor ... an Arduino Uno, a 16x2 LCD, and a push button.