The idea behind the project is simple: take a stepper motor, put a needle on it, and connect it to an Arduino. Instant analog gauge, measuring anything an Arduino can calculate. The motor used in ...

So he started to wonder if he could skip the controller entirely and connect the stepper motor directly to the digital pins of an Arduino. Generally speaking this is a bad idea, but if you’re ...

We’re not going to walk you through every step ... you’ll learn how to connect LEDs, buttons, resistors, potentiometers, and servos to either a power source or Arduino. With just those ...