With the ingredients of previous two videos, find zero and rotate an exact amount of steps, we’re able to control a turn table that has multiple stop positions. We need to find out how many steps it takes, counting from the zero point, to reach every position. We’ll use a separate ‘Tuning’ sketch for this. […]
With the code of the previous video 33 we are able to ‘zero’ the stepper motor. From that point on we can position the motor by counting up or down an exact number of steps. This way we can accurately position, say, a turn table or an elevator, or anything we like. For most applications […]
A stepper motor does not know where it is after power up. If we want to use a stepper for accurate positioning, we first have to define its ‘zero’ point. This can be done by slowly rotating the motor until a sensor or a micro switch is activated. In this video we will add such […]
Now that we have our stepper motor running we can add some extra features, like: change direction change speed rotate an exact amount of steps for accurate positioning Read on below the video … To change direction and to also show a direction indicator LED, a function is created. There’s no real need to […]
With some applications it can be useful to use a stepper motor in stead of a servo. For instance when a continuous rotation is required to rotate, say, a wind mill model. Also with applications like a turn table, a linear shift table or an elevator, a stepper motor can be of great help … […]
The Arduino is a wonderful toy for any hobbyist who likes to tinker with electronics. With its configurable digital (20) or analog (6) inputs and outputs we can read signals from switches, sensors or data streams and we can control LEDs, relays, motors, (power)FETs and what have you … The Arduino board has a processor, […]
